/* Steel Blue / Obsidian landing design system */
:root {
  --void: #030712;
  --obsidian: #0b0f19;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --steel: #38bdf8;
  --steel-deep: #0284c7;
  --text: #f8fafc;
  --muted: #94a3b8;
  --subtle: #64748b;
  --glass: rgba(15, 23, 42, 0.6);
  --glass-soft: rgba(30, 41, 59, 0.4);
  --border: rgba(56, 189, 248, 0.15);
  --border-bright: rgba(56, 189, 248, 0.45);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --nav-h: 4.25rem;
}

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

html {
  scroll-behavior: smooth;
}

.landing-body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(900px 500px at 15% -5%, rgba(2, 132, 199, 0.18), transparent 55%),
    radial-gradient(700px 420px at 85% 10%, rgba(56, 189, 248, 0.1), transparent 50%),
    radial-gradient(600px 400px at 50% 100%, rgba(2, 132, 199, 0.08), transparent 55%),
    linear-gradient(180deg, var(--obsidian) 0%, var(--void) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.landing-body a {
  color: inherit;
  text-decoration: none;
}

.landing-particles {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.landing-body > main,
.landing-nav {
  position: relative;
  z-index: 1;
}

/* —— Nav —— */
.landing-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background 0.35s var(--ease-out-expo), border-color 0.35s, backdrop-filter 0.35s;
}

.landing-nav.is-scrolled {
  background: rgba(11, 15, 25, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.landing-nav__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.landing-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.landing-nav__mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.4rem;
  background: linear-gradient(135deg, var(--steel) 0%, var(--steel-deep) 100%);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
  flex-shrink: 0;
}

.landing-nav__menu {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.landing-nav__menu > a:not(.landing-btn) {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
}

.landing-nav__menu > a:not(.landing-btn):hover {
  color: var(--text);
}

.landing-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--glass-soft);
  cursor: pointer;
}

.landing-nav__toggle span {
  display: block;
  width: 1rem;
  height: 1.5px;
  margin: 0 auto;
  background: var(--text);
  transition: transform 0.25s var(--ease-out-expo);
}

.landing-nav__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.landing-nav__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* —— Buttons —— */
.landing-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.85rem 1.35rem;
  border-radius: 0.65rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease-out-expo),
    box-shadow 0.25s var(--ease-out-expo),
    background 0.25s,
    border-color 0.25s;
}

.landing-btn--sm {
  padding: 0.55rem 0.95rem;
  font-size: 0.85rem;
}

.landing-btn--primary {
  color: #04111f;
  background: linear-gradient(135deg, #7dd3fc 0%, var(--steel) 45%, var(--steel-deep) 100%);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
}

.landing-btn--primary:hover {
  transform: scale(1.02);
  box-shadow: 0 0 42px rgba(56, 189, 248, 0.5);
}

.landing-btn--primary:hover .landing-btn__arrow {
  transform: translateX(3px);
}

.landing-btn--primary:active,
.landing-btn--ghost:active {
  transform: scale(0.98);
}

.landing-btn__arrow {
  transition: transform 0.25s var(--ease-out-expo);
}

.landing-btn--ghost {
  color: var(--text);
  background: transparent;
  border-color: var(--border);
  backdrop-filter: blur(8px);
}

.landing-btn--ghost:hover {
  transform: scale(1.02);
  background: rgba(30, 41, 59, 0.55);
  border-color: var(--border-bright);
}

.landing-btn--lg {
  padding: 1rem 1.6rem;
  font-size: 1rem;
}

/* —— Layout helpers —— */
.landing-section {
  padding: 5.5rem 1.5rem;
}

.landing-container {
  max-width: 1120px;
  margin: 0 auto;
}

.landing-overline {
  display: inline-block;
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.landing-h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.landing-lead {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.landing-section__head {
  margin-bottom: 2.75rem;
}

.text-gradient {
  background: linear-gradient(105deg, #ffffff 20%, var(--steel) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* —— Reveal —— */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.85s var(--ease-out-expo),
    transform 0.85s var(--ease-out-expo);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.75s var(--ease-out-expo),
    transform 0.75s var(--ease-out-expo);
}

[data-reveal-stagger].is-visible > *:nth-child(1) { transition-delay: 0ms; }
[data-reveal-stagger].is-visible > *:nth-child(2) { transition-delay: 80ms; }
[data-reveal-stagger].is-visible > *:nth-child(3) { transition-delay: 160ms; }
[data-reveal-stagger].is-visible > *:nth-child(4) { transition-delay: 240ms; }
[data-reveal-stagger].is-visible > *:nth-child(5) { transition-delay: 320ms; }
[data-reveal-stagger].is-visible > *:nth-child(6) { transition-delay: 400ms; }

[data-reveal-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* —— Hero —— */
.landing-hero {
  padding: 2.5rem 1.5rem 4rem;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
}

.landing-hero__grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  width: 100%;
}

.landing-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.35rem;
  padding: 0.4rem 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--steel);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid var(--border);
  border-radius: 999px;
  letter-spacing: 0.02em;
}

.landing-badge__arrow {
  transition: transform 0.25s var(--ease-out-expo);
}

.landing-badge:hover .landing-badge__arrow {
  transform: translateX(3px);
}

.landing-hero h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.landing-hero__copy {
  margin: 0 0 2rem;
  max-width: 32rem;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

.landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.landing-hero__visual {
  position: relative;
  min-height: 380px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.landing-hero__glow {
  position: absolute;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* Product mock */
.product-mock {
  position: relative;
  width: 100%;
  max-width: 440px;
  min-height: 320px;
  height: 320px;
  border-radius: 1rem;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow:
    0 0 0 1px rgba(56, 189, 248, 0.06) inset,
    0 24px 80px rgba(0, 0, 0, 0.45),
    0 0 40px rgba(56, 189, 248, 0.12);
  backdrop-filter: blur(20px);
  overflow: hidden;
  animation: mock-bob 6s ease-in-out infinite;
}

@keyframes mock-bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.product-mock__chrome {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.5);
}

.product-mock__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
}

.product-mock__dot:nth-child(1) { background: #f87171; }
.product-mock__dot:nth-child(2) { background: #fbbf24; }
.product-mock__dot:nth-child(3) { background: #34d399; }

.product-mock__title {
  margin-left: 0.5rem;
  font-size: 0.7rem;
  color: var(--subtle);
  font-weight: 500;
}

.product-mock__body {
  display: grid;
  grid-template-columns: 72px 1fr;
  min-height: 260px;
}

.product-mock__side {
  padding: 0.85rem 0.5rem;
  border-right: 1px solid var(--border);
  background: rgba(3, 7, 18, 0.35);
}

.product-mock__side span {
  display: block;
  height: 6px;
  margin: 0.45rem 0.4rem;
  border-radius: 3px;
  background: rgba(148, 163, 184, 0.2);
}

.product-mock__side span:first-child {
  background: rgba(56, 189, 248, 0.45);
  width: 70%;
}

.product-mock__main {
  padding: 1rem;
}

.product-mock__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  margin-bottom: 0.55rem;
  border-radius: 0.5rem;
  background: rgba(30, 41, 59, 0.45);
  border: 1px solid rgba(56, 189, 248, 0.08);
}

.product-mock__row strong {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
}

.product-mock__row small {
  color: var(--subtle);
  font-size: 0.62rem;
}

.product-mock__pill {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.45rem;
  border-radius: 0.3rem;
  color: #04111f;
  background: var(--steel);
}

.product-mock__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.product-mock__metric {
  padding: 0.55rem;
  border-radius: 0.45rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--border);
  text-align: center;
}

.product-mock__metric b {
  display: block;
  font-size: 0.95rem;
  color: var(--steel);
}

.product-mock__metric span {
  font-size: 0.58rem;
  color: var(--subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* —— Marquee —— */
.landing-marquee {
  padding: 1.5rem 0 3.5rem;
  overflow: hidden;
}

.landing-marquee__label {
  text-align: center;
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
  font-weight: 600;
}

.landing-marquee__track-wrap {
  position: relative;
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.landing-marquee__track {
  display: flex;
  width: max-content;
  gap: 3.5rem;
  animation: marquee 38s linear infinite;
}

.landing-marquee__track span {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: rgba(148, 163, 184, 0.45);
  white-space: nowrap;
  user-select: none;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* —— Bento —— */
.landing-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.bento-card {
  position: relative;
  padding: 1.5rem 1.4rem;
  border-radius: 1rem;
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(56, 189, 248, 0.04) inset,
    0 16px 40px rgba(0, 0, 0, 0.25);
  transition: border-color 0.3s, transform 0.35s var(--ease-out-expo);
}

.bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    420px circle at var(--spot-x, 50%) var(--spot-y, 50%),
    rgba(56, 189, 248, 0.55),
    transparent 40%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.bento-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.28);
}

.bento-card:hover::before {
  opacity: 1;
}

.bento-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 1rem;
  border-radius: 0.55rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--border);
  color: var(--steel);
  font-size: 0.85rem;
  font-weight: 700;
}

.bento-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.bento-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.bento-card--lg {
  grid-column: span 7;
  min-height: 200px;
}

.bento-card--md {
  grid-column: span 5;
  min-height: 200px;
}

.bento-card--sm {
  grid-column: span 4;
  min-height: 180px;
}

.bento-card--half {
  grid-column: span 6;
  min-height: 180px;
}

/* —— Testimonials —— */
.landing-carousel {
  position: relative;
}

.landing-carousel__viewport {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  margin: 0 -0.5rem;
  padding: 0.5rem;
}

.landing-carousel__track {
  display: flex;
  gap: 1.15rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-bottom: 0.25rem;
}

.landing-carousel__track::-webkit-scrollbar {
  display: none;
}

.testimonial-card {
  position: relative;
  flex: 0 0 min(100%, 340px);
  scroll-snap-align: start;
  padding: 1.5rem;
  border-radius: 1rem;
  background: var(--glass-soft);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  overflow: hidden;
}

.testimonial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    380px circle at var(--spot-x, 30%) var(--spot-y, 20%),
    rgba(56, 189, 248, 0.5),
    transparent 40%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.testimonial-card:hover::before {
  opacity: 1;
}

.testimonial-card__quote {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--steel-deep), var(--steel));
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #04111f;
}

.testimonial-card__author strong {
  display: block;
  font-size: 0.88rem;
}

.testimonial-card__author span {
  font-size: 0.75rem;
  color: var(--subtle);
}

.landing-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 1.5rem;
}

.landing-carousel__dot {
  width: 0.45rem;
  height: 0.45rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.35);
  cursor: pointer;
  transition: transform 0.25s, background 0.25s;
}

.landing-carousel__dot.is-active {
  background: var(--steel);
  transform: scale(1.35);
}

/* —— CTA banner —— */
.landing-cta {
  padding: 2rem 1.5rem 5rem;
}

.landing-cta__panel {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: 3.5rem 2rem;
  text-align: center;
  border-radius: 1.35rem;
  background: var(--glass);
  border: 1px solid var(--border);
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.landing-cta__glow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 70%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.35), transparent 65%);
  pointer-events: none;
}

.landing-cta__panel h2,
.landing-cta__panel p,
.landing-cta__panel .landing-btn {
  position: relative;
  z-index: 1;
}

.landing-cta__panel h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.landing-cta__panel p {
  margin: 0 auto 1.75rem;
  max-width: 28rem;
  color: var(--muted);
}

/* —— Footer —— */
.landing-footer {
  border-top: 1px solid var(--border);
  padding: 3.5rem 1.5rem 2rem;
  background: rgba(3, 7, 18, 0.55);
}

.landing-footer__grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2rem;
}

.landing-footer__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.landing-footer__brand .landing-nav__mark {
  width: 1.25rem;
  height: 1.25rem;
}

.landing-footer p {
  margin: 0;
  color: var(--subtle);
  font-size: 0.88rem;
  line-height: 1.55;
  max-width: 16rem;
}

.landing-footer h4 {
  margin: 0 0 0.85rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
}

.landing-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.landing-footer a {
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.landing-footer a:hover {
  color: var(--steel);
}

.landing-footer__bottom {
  max-width: 1120px;
  margin: 2.5rem auto 0;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(56, 189, 248, 0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--subtle);
}

.landing-footer__social {
  display: flex;
  gap: 1rem;
}

/* —— Responsive —— */
@media (max-width: 960px) {
  .landing-hero__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .landing-hero {
    min-height: auto;
    padding-top: 1.5rem;
  }

  .landing-hero__visual {
    min-height: 300px;
    height: auto;
    order: 2;
  }

  .product-mock {
    height: auto;
  }

  .bento-card--lg,
  .bento-card--md,
  .bento-card--sm,
  .bento-card--half {
    grid-column: span 12;
    min-height: 0;
  }

  .landing-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .landing-nav__toggle {
    display: flex;
  }

  .landing-nav__menu {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 1rem 1.5rem 1.25rem;
    background: rgba(11, 15, 25, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .landing-nav__menu.is-open {
    display: flex;
  }

  .landing-nav__menu > a:not(.landing-btn) {
    padding: 0.65rem 0;
  }

  .landing-hero h1 {
    font-size: clamp(2.4rem, 11vw, 3.25rem);
  }

  .landing-footer__grid {
    grid-template-columns: 1fr;
  }

  .product-mock {
    max-width: 100%;
  }
}

/* —— Auth (Login / Register) —— */
.auth-body .landing-nav__toggle {
  display: none;
}

.auth-nav-menu {
  display: flex !important;
}

.auth-main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  padding: 2.5rem 1.5rem 3.5rem;
}

.auth-shell {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.25rem;
  align-items: stretch;
}

.auth-shell--single {
  max-width: 460px;
  grid-template-columns: 1fr;
}

.auth-card,
.auth-quick {
  position: relative;
  padding: 2rem 1.75rem;
  border-radius: 1.15rem;
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow:
    0 0 0 1px rgba(56, 189, 248, 0.04) inset,
    0 24px 60px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.auth-card__glow {
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 70%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 70%);
  pointer-events: none;
}

.auth-card__title {
  position: relative;
  margin: 0 0 0.65rem;
  font-size: clamp(1.65rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.auth-card__lead,
.auth-quick__lead {
  position: relative;
  margin: 0 0 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.auth-form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth-field label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--subtle);
}

.auth-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: rgba(3, 7, 18, 0.55);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-input::placeholder {
  color: rgba(148, 163, 184, 0.55);
}

.auth-input:focus {
  border-color: var(--border-bright);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.auth-check {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.88rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.auth-check input {
  accent-color: var(--steel-deep);
  width: 1rem;
  height: 1rem;
}

.auth-submit {
  width: 100%;
  margin-top: 0.35rem;
}

.auth-switch {
  position: relative;
  margin: 1.35rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.auth-switch a {
  color: var(--steel);
  font-weight: 600;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.auth-alert {
  margin: 0;
  padding: 0.75rem 0.9rem;
  border-radius: 0.55rem;
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fecaca;
  font-size: 0.88rem;
  list-style: none;
}

.auth-alert:empty,
.auth-alert.validation-summary-valid {
  display: none;
}

.auth-alert ul {
  margin: 0;
  padding-left: 1.1rem;
}

.auth-error {
  font-size: 0.8rem;
  color: #fca5a5;
}

.auth-quick__title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.auth-quick__item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--border);
  background: rgba(3, 7, 18, 0.4);
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  transition:
    border-color 0.25s,
    background 0.25s,
    transform 0.25s var(--ease-out-expo),
    box-shadow 0.25s;
}

.auth-quick__item:hover {
  border-color: var(--border-bright);
  background: rgba(56, 189, 248, 0.08);
  transform: scale(1.01);
  box-shadow: 0 0 24px rgba(56, 189, 248, 0.15);
}

.auth-quick__item:active {
  transform: scale(0.98);
}

.auth-quick__item svg {
  margin-left: auto;
  color: var(--steel);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease-out-expo);
}

.auth-quick__item:hover svg {
  transform: translateX(3px);
}

.auth-quick__avatar {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.55rem;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #04111f;
  background: linear-gradient(135deg, #7dd3fc, var(--steel-deep));
  flex-shrink: 0;
}

.auth-quick__meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.auth-quick__meta strong {
  font-size: 0.92rem;
  font-weight: 650;
}

.auth-quick__meta small {
  font-size: 0.75rem;
  color: var(--subtle);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 800px) {
  .auth-shell {
    grid-template-columns: 1fr;
    max-width: 460px;
  }
}

/* —— Reduced motion —— */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .product-mock,
  .landing-marquee__track {
    animation: none !important;
  }

  [data-reveal],
  [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .landing-btn,
  .landing-btn__arrow,
  .bento-card,
  .landing-badge__arrow {
    transition: none !important;
  }

  .landing-btn--primary:hover,
  .landing-btn--ghost:hover {
    transform: none;
  }

  .landing-particles {
    display: none;
  }
}