/* AquaPlane landing — brand tokens from guidelines */
:root {
  --midnight-navy: #11233a;
  --sapphire-crest: #3164ad;
  --celestial-blue: #a7ddea;
  --true-black: #000000;
  --platinum-mist: #e2e2e2;
  --navy-deep: #0a1628;
  --navy-soft: rgba(17, 35, 58, 0.92);
  --white: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-muted-dark: rgba(17, 35, 58, 0.65);

  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --header-h: 5rem;
  --radius-pill: 999px;
  --radius-lg: 1.25rem;
  --shadow-soft: 0 24px 60px rgba(0, 0, 0, 0.25);
  --transition: 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--midnight-navy);
  background: var(--white);
  overflow-x: hidden;
}

img,
picture {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
  position: relative;
}

.section--dark {
  color: var(--white);
  background: var(--midnight-navy);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--sapphire-crest);
  color: var(--white);
  border-radius: 0.5rem;
}

.skip-link:focus {
  top: 1rem;
}

/* Typography */
.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.section-title--dark {
  color: var(--midnight-navy);
}

.section-lead {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0;
}

.section-lead--dark {
  color: var(--text-muted-dark);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--celestial-blue);
  margin: 0 0 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-weight: 500;
  cursor: pointer;
  transition:
    transform 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--sapphire-crest);
  color: var(--white);
}

.btn--primary:hover {
  background: #2858a0;
  box-shadow: 0 12px 32px rgba(49, 100, 173, 0.35);
}

.btn--light {
  background: var(--white);
  color: var(--midnight-navy);
}

.btn--light:hover {
  background: var(--celestial-blue);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.18);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  transition:
    background 0.4s ease,
    box-shadow 0.4s ease;
}

.site-header.is-scrolled {
  background: var(--navy-soft);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.site-header.is-scrolled .logo--light {
  display: block;
}

.site-header.is-scrolled .logo--dark {
  display: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo-link {
  flex-shrink: 0;
}

.logo {
  height: clamp(2.75rem, 6.5vw, 3.75rem);
  width: auto;
}

.logo--dark {
  display: none;
}

.nav-desktop {
  display: none;
  gap: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-desktop a {
  color: var(--white);
  opacity: 0.85;
  transition: opacity 0.2s;
}

.nav-desktop a:hover {
  opacity: 1;
}

.nav-contact {
  display: none;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 1.35rem;
  background: var(--white);
  transition: transform 0.3s ease;
}

.nav-drawer {
  position: fixed;
  inset: var(--header-h) 0 0;
  background: var(--navy-deep);
  padding: 2rem;
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 99;
}

.nav-drawer.is-open {
  transform: translateX(0);
}

.nav-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.nav-drawer a {
  color: var(--white);
  font-size: 1.25rem;
  font-family: var(--font-display);
}

.nav-drawer .btn {
  margin-top: 1rem;
  width: 100%;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(17, 35, 58, 0.55) 0%,
    rgba(17, 35, 58, 0.35) 40%,
    rgba(17, 35, 58, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding-top: var(--header-h);
}

.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  opacity: 0.8;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  opacity: 0.9;
  margin: 0 0 2rem;
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bob 2s ease-in-out infinite;
}

.scroll-hint-mouse {
  display: block;
  width: 1.35rem;
  height: 2.25rem;
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-pill);
  position: relative;
}

.scroll-hint-mouse::after {
  content: "";
  position: absolute;
  top: 0.4rem;
  left: 50%;
  width: 4px;
  height: 8px;
  margin-left: -2px;
  background: var(--white);
  border-radius: var(--radius-pill);
  animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

@keyframes scroll-dot {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(10px);
  }
}

/* Intro */
.intro {
  position: relative;
  background: var(--white);
  overflow: hidden;
}

.intro::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 55%;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.35) 45%,
    rgba(255, 255, 255, 0.88) 85%,
    rgba(255, 255, 255, 1) 100%
  );
}

.intro-watermark {
  position: absolute;
  left: 50%;
  top: 42%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 22vw, 14rem);
  font-weight: 600;
  color: rgba(167, 221, 234, 0.75);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  margin: 0;
  z-index: 1;
  filter: blur(clamp(2px, 0.35vw, 5px));
  -webkit-mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.55) 32%,
    rgba(0, 0, 0, 0.22) 58%,
    rgba(0, 0, 0, 0) 82%
  );
  mask-image: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.55) 32%,
    rgba(0, 0, 0, 0.22) 58%,
    rgba(0, 0, 0, 0) 82%
  );
}

.intro-inner {
  position: relative;
  z-index: 3;
  text-align: center;
}

.intro-inner .section-lead {
  color: var(--text-muted-dark);
  margin-inline: auto;
}

/* Products */
.products {
  overflow: hidden;
}

.products-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(49, 100, 173, 0.35), transparent),
    linear-gradient(180deg, var(--navy-deep), var(--midnight-navy));
  animation: products-bg-shift 18s ease-in-out infinite alternate;
}

.products-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.45;
  pointer-events: none;
}

.products-orb--1 {
  width: min(420px, 55vw);
  height: min(420px, 55vw);
  top: 10%;
  left: -8%;
  background: rgba(49, 100, 173, 0.55);
  animation: products-orb-drift 14s ease-in-out infinite;
}

.products-orb--2 {
  width: min(360px, 45vw);
  height: min(360px, 45vw);
  bottom: 5%;
  right: -6%;
  background: rgba(167, 221, 234, 0.2);
  animation: products-orb-drift 16s ease-in-out infinite reverse;
}

@keyframes products-bg-shift {
  0% {
    filter: hue-rotate(0deg) brightness(1);
  }
  100% {
    filter: hue-rotate(8deg) brightness(1.06);
  }
}

@keyframes products-orb-drift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(24px, -18px) scale(1.08);
  }
}

@keyframes product-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes product-glow-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.06);
  }
}

@keyframes product-feature-in {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.products.is-live .product-panel.is-active .product-main-stack {
  animation: product-float 6s ease-in-out infinite;
}

.products.is-live .product-panel.is-active .product-glow {
  animation: product-glow-pulse 4s ease-in-out infinite;
}

.product-panel.is-active .feature-list li {
  opacity: 0;
  animation: product-feature-in 0.55s ease forwards;
}

.product-panel.is-active .feature-list li:nth-child(1) {
  animation-delay: 0.08s;
}

.product-panel.is-active .feature-list li:nth-child(2) {
  animation-delay: 0.16s;
}

.product-panel.is-active .feature-list li:nth-child(3) {
  animation-delay: 0.24s;
}

.product-panel.is-active .feature-list li:nth-child(4) {
  animation-delay: 0.32s;
}

.product-panel.is-active .product-name,
.product-panel.is-active .product-tagline {
  animation: product-feature-in 0.6s ease forwards;
}

.product-panel.is-active .product-tagline {
  animation-delay: 0.06s;
}

.product-stage {
  position: relative;
  width: 100%;
  height: clamp(260px, 42vw, 440px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-stage.is-swap .product-glow {
  animation: product-glow-pulse 0.8s ease-out 1;
}

.product-stage.is-hero-swap::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  background: linear-gradient(
    115deg,
    transparent 30%,
    rgba(167, 221, 234, 0.45) 50%,
    transparent 70%
  );
  animation: product-stage-sweep 0.8s ease-out forwards;
}

.product-stage.is-hero-swap .product-glow {
  animation: product-glow-burst 0.85s ease-out forwards;
}

@keyframes product-stage-sweep {
  0% {
    opacity: 0;
    transform: translateX(-130%) skewX(-14deg);
  }
  45% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(130%) skewX(-14deg);
  }
}

@keyframes product-glow-burst {
  0% {
    opacity: 0.45;
    transform: scale(1);
  }
  35% {
    opacity: 1;
    transform: scale(1.35);
  }
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
}

@keyframes product-img-exit {
  0% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotateY(0deg);
    filter: blur(0) brightness(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(-72px, 10px, -90px) scale(0.76) rotateY(16deg);
    filter: blur(18px) brightness(0.65);
  }
}

@keyframes product-img-enter {
  0% {
    opacity: 0;
    transform: translate3d(72px, -14px, -70px) scale(0.76) rotateY(-16deg);
    filter: blur(18px) brightness(1.2);
  }
  50% {
    opacity: 1;
    transform: translate3d(-8px, 6px, 24px) scale(1.05) rotateY(3deg);
    filter: blur(0) brightness(1.05);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1) rotateY(0deg);
    filter: blur(0) brightness(1);
  }
}

.product-tabs {
  position: relative;
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-pill);
  margin-bottom: 2.5rem;
}

.product-tabs button {
  position: relative;
  z-index: 1;
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color 0.3s;
}

.product-tabs button[aria-selected="true"] {
  color: var(--midnight-navy);
}

.product-tabs-indicator {
  position: absolute;
  top: 0.25rem;
  left: 0.25rem;
  height: calc(100% - 0.5rem);
  width: 7rem;
  background: var(--white);
  border-radius: var(--radius-pill);
  transition:
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
  will-change: transform, width;
}

.product-panels {
  display: grid;
  grid-template-areas: "stack";
  min-height: 32rem;
}

.product-panel {
  grid-area: stack;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition:
    opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.55s;
  pointer-events: none;
}

.product-panel.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.product-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.product-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin: 0 0 0.25rem;
}

.product-tagline {
  font-size: 1.125rem;
  color: var(--celestial-blue);
  margin: 0 0 1.5rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.75rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.65rem;
  color: var(--text-muted);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--sapphire-crest);
  box-shadow: 0 0 0 3px rgba(49, 100, 173, 0.25);
}

.color-picker {
  margin-bottom: 1.75rem;
}

.color-picker-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.75rem;
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.swatch {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition:
    transform 0.2s,
    box-shadow 0.2s,
    border-color 0.2s;
  padding: 0;
}

.swatch:hover {
  transform: scale(1.08);
}

.swatch.is-active {
  border-color: var(--celestial-blue);
  box-shadow: 0 0 0 3px rgba(167, 221, 234, 0.35);
  animation: swatch-pop 0.45s ease;
}

@keyframes swatch-pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.15);
  }
  100% {
    transform: scale(1);
  }
}

.color-name {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--celestial-blue);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.color-name.is-updating {
  opacity: 0;
  transform: translateY(4px);
}

.product-glow {
  position: absolute;
  width: 70%;
  height: 40%;
  bottom: 10%;
  background: radial-gradient(ellipse, rgba(167, 221, 234, 0.25), transparent 70%);
  filter: blur(24px);
}

.product-main-stack {
  position: absolute;
  inset: 0;
  perspective: 1400px;
  transform-style: preserve-3d;
}

.product-main-stack.is-animating {
  animation: none;
}

.product-main-img--layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transform: translate3d(0, 0, 0);
  filter: blur(0);
  will-change: transform, opacity, filter;
}

.product-main-img--layer.is-visible {
  opacity: 1;
  z-index: 2;
  visibility: visible;
}

.product-main-img--layer.is-visible:not(.is-exiting) {
  z-index: 2;
}

.product-main-img--layer.is-exiting {
  z-index: 1;
  opacity: 1;
  animation: product-img-exit 0.72s cubic-bezier(0.55, 0, 1, 0.45) forwards;
}

.product-main-img--layer.is-entering {
  z-index: 3;
  opacity: 1;
  animation: product-img-enter 0.88s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.product-main-img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
  margin: 0;
}

.product-thumbs {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.product-thumbs button {
  flex: 0 0 4.5rem;
  height: 4.5rem;
  padding: 0.35rem;
  border: 2px solid transparent;
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  scroll-snap-align: start;
  transition: border-color 0.2s;
}

.product-thumbs button.is-active {
  border-color: var(--celestial-blue);
}

.product-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
}

/* Systems */
.systems {
  background: var(--platinum-mist);
}

.systems-header {
  text-align: center;
  margin-bottom: 3rem;
}

.systems-header .section-lead {
  margin-inline: auto;
}

.systems-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.systems-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(17, 35, 58, 0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.systems-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(17, 35, 58, 0.1);
}

.systems-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin: 1rem 0 0.5rem;
}

.systems-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted-dark);
}

.icon-line {
  width: 2.5rem;
  height: 2.5rem;
  stroke: var(--sapphire-crest);
  fill: none;
  stroke-width: 1.5;
}

.systems-footnote {
  text-align: center;
  margin-top: 2.5rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--midnight-navy);
}

/* Split sections */
.split-section {
  display: grid;
  min-height: 28rem;
  color: var(--white);
}

.split-media {
  position: relative;
  min-height: 16rem;
  overflow: hidden;
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17, 35, 58, 0.85), rgba(17, 35, 58, 0.4));
}

.split-section--reverse .split-media::after {
  background: linear-gradient(-90deg, rgba(17, 35, 58, 0.85), rgba(17, 35, 58, 0.4));
}

.split-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2.5rem, 6vw, 4rem);
  background: var(--midnight-navy);
}

.split-content .section-lead {
  margin-bottom: 1.5rem;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
}

.check-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 1rem;
  height: 1rem;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 16 16'%3E%3Cpath stroke='%23A7DDEA' stroke-width='2' d='M3 8l3 3 7-7'/%3E%3C/svg%3E")
    center / contain no-repeat;
}

/* Accessories */
.accessories {
  background: var(--white);
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.accessories-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(220px, 1fr);
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
}

.accessory-card {
  scroll-snap-align: start;
  background: var(--platinum-mist);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.35s ease;
}

.accessory-card:hover {
  transform: translateY(-4px);
}

.accessory-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.accessory-card p {
  margin: 0;
  padding: 1rem;
  font-weight: 500;
  font-size: 0.95rem;
}

/* Final CTA */
.cta-final {
  position: relative;
  background: var(--navy-deep);
  color: var(--white);
  overflow: hidden;
}

.cta-blobs .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  animation: float 12s ease-in-out infinite;
}

.blob-1 {
  width: 400px;
  height: 400px;
  background: var(--sapphire-crest);
  top: -100px;
  left: -100px;
}

.blob-2 {
  width: 350px;
  height: 350px;
  background: var(--celestial-blue);
  bottom: -80px;
  right: -80px;
  animation-delay: -4s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, 20px);
  }
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}

.cta-inner .section-lead {
  margin: 0 auto 2rem;
}

.cta-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 28rem;
  margin-inline: auto;
}

.cta-form input {
  padding: 0.875rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.cta-form input:focus {
  outline: 2px solid var(--celestial-blue);
  outline-offset: 2px;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: var(--white);
  padding: 3rem 0 2rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  font-size: 0.9rem;
}

.footer-inner nav a {
  opacity: 0.75;
}

.footer-inner nav a:hover {
  opacity: 1;
}

.footer-email {
  color: var(--celestial-blue);
  font-size: 0.95rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.5;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.75);
  backdrop-filter: blur(4px);
  animation: fade-in 0.3s ease;
}

.modal-panel {
  position: relative;
  width: min(440px, 100%);
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  animation: slide-up 0.4s var(--transition);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  border: none;
  background: transparent;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  color: var(--midnight-navy);
}

.modal-panel h2 {
  font-family: var(--font-display);
  margin: 0 0 0.5rem;
}

.modal-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted-dark);
  font-size: 0.95rem;
}

.contact-form label {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--platinum-mist);
  border-radius: 0.5rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--sapphire-crest);
  outline-offset: 1px;
}

.contact-form .btn {
  width: 100%;
  margin-top: 0.5rem;
}

.modal-success {
  color: var(--sapphire-crest);
  font-weight: 500;
}

.modal-error {
  margin: 0.75rem 0 0;
  color: #a14b11;
  font-size: 0.9rem;
  font-weight: 500;
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* Responsive */
@media (min-width: 768px) {
  .nav-desktop {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .nav-contact {
    display: inline-flex;
  }

  .nav-drawer {
    display: none !important;
  }

  .product-grid {
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
  }

  .systems-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-section {
    grid-template-columns: 1fr 1fr;
  }

  .split-section--reverse .split-media {
    order: 2;
  }

  .split-section--reverse .split-content {
    order: 1;
  }

  .cta-form {
    flex-direction: row;
    max-width: 36rem;
  }

  .cta-form input {
    flex: 1;
  }

  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }

  .footer-copy {
    width: 100%;
    text-align: center;
    margin-top: 1rem;
  }
}

@media (min-width: 1024px) {
  .systems-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .product-grid {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4rem;
  }
}

/* Legal pages */
.site-header--solid {
  background: var(--navy-soft);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.site-header--solid .logo--light {
  display: block;
}

.site-header--solid .logo--dark {
  display: none;
}

.legal-main {
  padding: calc(var(--header-h) + 2.5rem) 0 4rem;
  background: var(--white);
  min-height: 100vh;
}

.legal-doc {
  max-width: 42rem;
}

.legal-doc h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--midnight-navy);
}

.legal-updated {
  color: var(--text-muted-dark);
  font-size: 0.9rem;
  margin: 0 0 2rem;
}

.legal-doc h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 2.25rem 0 0.75rem;
  color: var(--midnight-navy);
}

.legal-doc h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--midnight-navy);
}

.legal-doc p,
.legal-doc li {
  color: var(--text-muted-dark);
  font-size: 0.95rem;
}

.legal-doc p {
  margin: 0 0 1rem;
}

.legal-doc ul {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

.legal-doc li {
  margin-bottom: 0.35rem;
}

.legal-doc a {
  color: var(--sapphire-crest);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.legal-doc a:hover {
  color: #2858a0;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .products.is-live .product-panel.is-active .product-main-stack,
  .products.is-live .product-panel.is-active .product-glow,
  .product-main-img--layer {
    transform: none !important;
    filter: none !important;
    animation: none !important;
  }
}