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

:root {
  --blue: #1e6fd9;
  --blue-dark: #1558b0;
  --blue-light: #e8f2ff;
  --text: #1a1a1a;
  --text-muted: #5c6670;
  --white: #ffffff;
  --bg: #ffffff;
  --bg-soft: #f4f8fc;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --om-primary: var(--blue);
  --om-primary-hover: var(--blue-dark);
  --om-accent: var(--blue-light);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(1120px, 100% - 48px);
  margin-inline: auto;
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 800;
  color: var(--text);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

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

.btn--primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  padding: 0 0 3rem;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%);
}

.hero__topbar {
  background: var(--white);
  border-bottom: 1px solid #d8e6f7;
}

.hero__topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0;
}

.hero__topbar-title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.hero__topbar-subtitle {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.hero__topbar-btn {
  padding: 0.625rem 1.5rem;
}

.hero__topbar-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero__eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero__accent {
  color: var(--blue);
}

.hero__subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 28rem;
}

.hero__buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.25rem;
  margin-bottom: 2rem;
}

.hero__price {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  color: var(--text);
}

.hero__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.hero__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  font-weight: 500;
}

.hero__feature-icon {
  flex-shrink: 0;
  filter: brightness(0) saturate(100%) invert(36%) sepia(89%) saturate(1647%) hue-rotate(196deg) brightness(93%) contrast(91%);
}

.hero__visual {
  position: relative;
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(30, 111, 217, 0.15);
}

.hero__badge-image {
  position: absolute;
  right: -0.5rem;
  bottom: -0.5rem;
  width: 28%;
  min-width: 88px;
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  object-fit: cover;
  aspect-ratio: 1;
}

/* Slide build */
.slide-build {
  padding: 4rem 0;
  background: var(--bg-soft);
  border-top: 1px solid #e5ebf3;
  border-bottom: 1px solid #e5ebf3;
}

.slide-build__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.75rem;
  align-items: center;
}

.slide-build__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
  min-height: 100%;
  padding: 0.875rem;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 6px 22px rgba(15, 47, 84, 0.08);
}

.slide-build__image {
  width: 100%;
  height: 230px;
  border-radius: var(--radius);
  margin-bottom: 0.875rem;
  object-fit: contain;
  background: var(--white);
}

.slide-build__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  min-height: 1.5rem;
}

.slide-build__num {
  display: grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 0.75rem;
}

.slide-build__arrow {
  align-self: center;
  font-size: 2rem;
  color: #111;
  line-height: 1;
}

/* Dimensions */
.dimensions {
  padding: 3rem 0 4rem;
  background: var(--bg-soft);
  border-bottom: 1px solid #e5ebf3;
}

.dimensions__image {
  width: min(900px, 100%);
  margin-inline: auto;
  border-radius: var(--radius-lg);
}

/* Use cases */
.use-cases {
  padding: 4rem 0;
}

.use-cases__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.use-case {
  display: flex;
  flex-direction: column;
}

.use-case__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.use-case__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.use-case__badge {
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0.5rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  background: rgba(30, 111, 217, 0.9);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--white);
  line-height: 1.25;
  text-align: center;
}

.use-case__text {
  margin-top: 0.625rem;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

.benefits {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
}

.benefits__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
}

.benefits__item img {
  filter: brightness(0) saturate(100%) invert(36%) sepia(89%) saturate(1647%) hue-rotate(196deg) brightness(93%) contrast(91%);
}

/* Footer CTA */
.footer-cta {
  padding: 4rem 0;
  background: var(--blue-light);
}

.footer-cta__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.footer-cta__image {
  width: 100%;
  max-width: 420px;
  height: clamp(240px, 30vw, 315px);
  margin-inline: auto;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: var(--white);
}

.footer-cta__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.footer-cta__subtitle {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.footer-cta__price {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.color-picker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  border: none;
}

.color-picker__legend {
  font-size: 0.875rem;
  font-weight: 600;
}

.color-picker__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.color-picker__swatch {
  display: block;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid #ccc;
  cursor: pointer;
}

.color-picker__option input:checked + .color-picker__swatch {
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--blue);
}

.color-picker__swatch--white { background: #f5f5f5; }
.color-picker__swatch--black { background: #2a2a2a; border-color: #2a2a2a; }

/* Responsive */
@media (max-width: 900px) {
  .hero__inner,
  .footer-cta__inner {
    grid-template-columns: 1fr;
  }

  .hero__topbar-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 0.5rem;
  }

  .hero__visual {
    order: -1;
  }

  .slide-build__grid {
    grid-template-columns: 1fr;
    max-width: 360px;
    margin-inline: auto;
  }

  .slide-build__arrow {
    display: none;
  }

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

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

@media (max-width: 560px) {
  .use-cases__grid {
    grid-template-columns: 1fr;
  }

  .benefits {
    grid-template-columns: 1fr;
  }
}