/* ==========================================================================
   AIMAURA — Site styles
   ========================================================================== */

:root {
  --bg:        #07040d;
  --bg-2:      #0d0719;
  --surface:   #120a22;
  --surface-2: #1a0f30;
  --line:      rgba(157, 78, 221, 0.18);
  --line-2:    rgba(255, 255, 255, 0.08);
  --text:      #efe9fb;
  --text-dim:  #b0a7c4;
  --muted:     #7a7290;

  --accent:        #9d4edd;
  --accent-2:      #7b2cbf;
  --accent-3:      #c77dff;
  --accent-glow:   0 0 60px rgba(157, 78, 221, 0.45);
  --gradient:      linear-gradient(135deg, #c77dff 0%, #9d4edd 35%, #7b2cbf 100%);
  --gradient-soft: linear-gradient(180deg, rgba(157, 78, 221, 0.18) 0%, rgba(157, 78, 221, 0) 100%);

  --radius:    14px;
  --radius-lg: 22px;

  --container: 1200px;
  --pad:       clamp(20px, 4vw, 56px);

  --t: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Background ambience */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 12% 8%, rgba(157, 78, 221, 0.18), transparent 60%),
    radial-gradient(50% 40% at 92% 92%, rgba(123, 44, 191, 0.15), transparent 60%),
    linear-gradient(180deg, #07040d 0%, #0a0614 100%);
}

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

a { color: var(--accent-3); text-decoration: none; transition: color .2s var(--t); }
a:hover { color: #fff; }

::selection { background: rgba(199, 125, 255, 0.45); color: #fff; }

.skip-link {
  position: absolute; left: -1000px; top: 8px;
  background: var(--accent); color: #fff; padding: 8px 12px; border-radius: 8px;
}
.skip-link:focus { left: 8px; z-index: 1000; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Typography */
h1, h2, h3 { font-family: 'Space Grotesk', Inter, sans-serif; letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 5rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 3rem); font-weight: 600; }
h3 { font-size: 1.18rem; font-weight: 600; letter-spacing: -0.01em; }

p { margin: 0 0 1em; color: var(--text-dim); }
p.lede { font-size: 1.1rem; color: var(--text-dim); max-width: 60ch; }

.kicker {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-3);
  padding: 6px 12px;
  background: rgba(157, 78, 221, 0.1);
  border: 1px solid var(--line);
  border-radius: 999px;
  margin-bottom: 18px;
}

.muted { color: var(--muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.02em;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--t), box-shadow .25s var(--t), background .25s var(--t), color .25s var(--t);
  white-space: nowrap;
}
.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(157, 78, 221, 0.7), inset 0 0 0 1px rgba(255,255,255,0.08);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(157, 78, 221, 0.9); color: #fff; }
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn--ghost:hover { background: rgba(157, 78, 221, 0.08); border-color: var(--accent); color: #fff; }
.btn--lg { padding: 18px 36px; font-size: 1.05rem; }

/* ===== Nav ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: backdrop-filter .3s, background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-stuck {
  background: rgba(7, 4, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { color: #fff; }
.brand__mark { width: 32px; height: auto; filter: drop-shadow(0 0 12px rgba(157,78,221,0.6)); }
.brand__name { font-family: 'Space Grotesk', sans-serif; font-weight: 700; letter-spacing: 0.18em; font-size: 0.95rem; }

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links a {
  color: var(--text-dim);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.nav__links a:hover { color: #fff; }
.nav__cta {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text) !important;
}
.nav__cta:hover { background: var(--gradient); border-color: transparent; color: #fff !important; }

.nav__burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  width: 42px; height: 42px;
  border-radius: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}
.nav__burger span { display: block; width: 18px; height: 2px; background: var(--text); transition: transform .25s var(--t), opacity .25s; }
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav__burger { display: flex; }
  .nav__links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(7, 4, 13, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--pad) 18px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s var(--t);
  }
  .nav__links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__links a { padding: 14px 4px; border-bottom: 1px solid var(--line-2); font-size: 1rem; }
  .nav__cta { margin-top: 10px; padding: 12px; text-align: center; border: 1px solid var(--accent); }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(1.1) brightness(0.55) hue-rotate(-6deg);
}
.hero__scrim {
  position: absolute; inset: 0;
  background:
    radial-gradient(80% 60% at 50% 100%, rgba(7, 4, 13, 1) 0%, transparent 65%),
    linear-gradient(180deg, rgba(7, 4, 13, 0.65) 0%, rgba(7, 4, 13, 0.4) 40%, rgba(7, 4, 13, 0.95) 95%);
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(157, 78, 221, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 78, 221, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(60% 60% at 50% 40%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 40%, black, transparent 80%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(157, 78, 221, 0.12);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 12px var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: 0.4; transform: scale(0.85); } }

.hero__title {
  max-width: 18ch;
  margin-bottom: 28px;
}
.hero__title .line { display: block; }
.hero__title .accent {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  max-width: 56ch;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  color: var(--text-dim);
  margin-bottom: 40px;
}

.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero__badges { display: flex; gap: 12px; flex-wrap: wrap; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.82rem;
  color: var(--text-dim);
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.04em;
}
.badge svg { width: 16px; height: 16px; color: var(--accent-3); }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  width: 22px; height: 38px;
  border: 1.5px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  z-index: 1;
}
.hero__scroll span {
  position: absolute;
  top: 8px; left: 50%;
  transform: translateX(-50%);
  width: 3px; height: 8px;
  background: var(--accent-3);
  border-radius: 3px;
  animation: scrollHint 1.6s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { opacity: 0; transform: translate(-50%, -4px); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 12px); }
}

/* ===== Sections ===== */
.section { padding: clamp(72px, 9vw, 130px) 0; position: relative; }
.section__head { max-width: 60ch; margin-bottom: 56px; }

.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.ticks li {
  position: relative;
  padding-left: 30px;
  color: var(--text-dim);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 18px; height: 18px;
  background: var(--gradient);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M5 13l4 4L19 7' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M5 13l4 4L19 7' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/></svg>") no-repeat center / contain;
}

/* Product */
.product__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
}
.product__image img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(157, 78, 221, 0.08) inset;
}
@media (max-width: 880px) { .product__grid { grid-template-columns: 1fr; } }

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.005) 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .3s var(--t), border-color .3s, background .3s;
}
.feature::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
          mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s var(--t);
  pointer-events: none;
}
.feature:hover { transform: translateY(-4px); }
.feature:hover::before { opacity: 1; }
.feature--accent {
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(157, 78, 221, 0.18) 0%, transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0.005) 100%);
  border-color: rgba(199, 125, 255, 0.3);
}
.feature__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(199, 125, 255, 0.18), rgba(123, 44, 191, 0.08));
  border: 1px solid var(--line);
  color: var(--accent-3);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.feature__icon svg { width: 28px; height: 28px; }
.feature h3 { margin-bottom: 8px; color: #fff; }
.feature p { color: var(--text-dim); margin: 0; font-size: 0.94rem; }

@media (max-width: 980px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.gallery__item {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  grid-column: span 2;
  aspect-ratio: 4 / 3;
}
.gallery__item--wide { grid-column: span 3; aspect-ratio: 16 / 9; }
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--t), filter .4s;
}
.gallery__item:hover img { transform: scale(1.04); filter: saturate(1.15); }
.gallery__item figcaption {
  position: absolute;
  left: 14px; bottom: 12px;
  background: rgba(7, 4, 13, 0.7);
  backdrop-filter: blur(8px);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--text);
  border: 1px solid var(--line);
}
@media (max-width: 880px) {
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery__item, .gallery__item--wide { grid-column: span 1; aspect-ratio: 4 / 3; }
}

/* Tech / Diagram */
.tech { background: linear-gradient(180deg, transparent, rgba(157, 78, 221, 0.04) 50%, transparent); }
.tech__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.diagram {
  display: grid;
  gap: 18px;
  padding: 36px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(157, 78, 221, 0.16), transparent 70%),
    rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
}
.diagram__box {
  text-align: center;
  padding: 18px 22px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(7, 4, 13, 0.5);
  backdrop-filter: blur(6px);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}
.diagram__host { background: var(--gradient); border: none; color: #fff; box-shadow: 0 10px 30px -12px rgba(157,78,221,0.6); }
.diagram__hid { color: var(--text); }
.diagram__hid .muted { display: block; font-size: 0.78rem; margin-top: 4px; color: var(--text-dim); font-weight: 400; }
.diagram__line {
  width: 2px; height: 22px;
  background: linear-gradient(180deg, var(--accent), transparent);
  margin: 0 auto;
}
.diagram__split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 4px;
}
.diagram__branch { display: grid; gap: 12px; }
.diagram__line--diag {
  width: 100%; height: 22px;
  background: none;
  border-top: 2px dashed var(--line);
  border-left: 2px dashed var(--line);
  border-top-left-radius: 14px;
  margin: 0;
}
.diagram__line--diag.right {
  border-left: none;
  border-right: 2px dashed var(--line);
  border-top-left-radius: 0;
  border-top-right-radius: 14px;
}
.diagram__shell {
  text-align: left;
  padding: 22px;
}
.diagram__shell strong { display: block; color: var(--accent-3); font-size: 0.85rem; letter-spacing: 0.18em; text-transform: uppercase; }
.diagram__shell span  { display: block; color: var(--text-dim); font-size: 0.8rem; margin: 6px 0 12px; }
.diagram__shell ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 6px; font-size: 0.85rem; color: var(--text);
}
.diagram__shell li { padding-left: 14px; position: relative; }
.diagram__shell li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 8px var(--accent-3);
}

@media (max-width: 980px) {
  .tech__grid { grid-template-columns: 1fr; }
}

/* Vision */
.vision { background: radial-gradient(80% 60% at 50% 0%, rgba(123, 44, 191, 0.14), transparent 60%); }
.vision__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.vision__art {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(157, 78, 221, 0.1) inset;
}
@media (max-width: 880px) { .vision__inner { grid-template-columns: 1fr; } }

/* Patent */
.patent { text-align: center; }
.patent__inner { max-width: 800px; margin: 0 auto; }
.patent__chips {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
  margin-top: 32px;
}
.chip {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(157, 78, 221, 0.08);
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: 0.06em;
  font-size: 0.88rem;
  color: var(--text);
}

/* Contact */
.contact {
  text-align: center;
  background:
    radial-gradient(60% 80% at 50% 50%, rgba(157, 78, 221, 0.18), transparent 70%);
}
.contact__inner { max-width: 700px; margin: 0 auto; }
.contact .btn { margin-top: 16px; }
.contact__note { margin-top: 18px; color: var(--muted); font-size: 0.9rem; }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  background: rgba(7, 4, 13, 0.6);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer__brand { display: flex; align-items: center; gap: 14px; }
.footer__brand img { width: 40px; }
.footer__brand strong { display: block; font-family: 'Space Grotesk', sans-serif; letter-spacing: 0.18em; font-size: 0.95rem; }
.footer__brand span { display: block; color: var(--text-dim); font-size: 0.82rem; }
.footer__meta { display: flex; gap: 22px; flex-wrap: wrap; color: var(--muted); font-size: 0.85rem; }
.footer__meta a { color: var(--text-dim); }

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--t), transform .9s var(--t);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__video { display: none; }
  .hero__bg { background: linear-gradient(180deg, #14082a, #07040d), url("assets/img/hero-setup.jpg") center/cover no-repeat; background-blend-mode: multiply; }
}