:root {
  --otk-ink: #0d1b22;
  --otk-ink-soft: #1c2e37;
  --otk-card: #ffffff;
  --otk-accent: #14b86e;
  --otk-accent-deep: #0b8b53;
  --otk-highlight: #ffc857;
  --otk-text: #17303b;
  --otk-text-soft: #5c7280;
  --otk-border: rgba(23, 48, 59, 0.1);
  --otk-shadow: 0 24px 80px rgba(13, 27, 34, 0.12);
  --otk-radius-xl: 32px;
  --otk-radius-lg: 24px;
  --otk-radius-md: 16px;
  --otk-radius-sm: 12px;
  --otk-max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--otk-text);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 110, 0.14), transparent 30%),
    radial-gradient(circle at top right, rgba(255, 200, 87, 0.12), transparent 26%),
    linear-gradient(180deg, #f7fbf8 0%, #eef5f2 100%);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.screen-reader-text {
  position: absolute;
  left: -9999px;
}

.screen-reader-text:focus {
  left: 1rem;
  top: 1rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  border-radius: var(--otk-radius-sm);
  background: var(--otk-accent);
  color: #fff;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(247, 251, 248, 0.78);
  border-bottom: 1px solid rgba(23, 48, 59, 0.06);
}

.site-header__inner,
.site-footer__inner,
.section__inner {
  width: min(calc(100% - 2rem), var(--otk-max-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--otk-accent), #5fe8aa);
  color: #082114;
  box-shadow: 0 12px 24px rgba(20, 184, 110, 0.25);
}

.brand__text {
  display: grid;
  gap: 0.05rem;
}

.brand__text strong {
  font-size: 1.05rem;
}

.brand__text small,
.eyebrow,
.meta-note,
.kicker {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.brand__text small {
  color: var(--otk-text-soft);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--otk-text-soft);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--otk-ink);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--otk-accent-deep), var(--otk-accent));
  box-shadow: 0 18px 35px rgba(20, 184, 110, 0.24);
}

.button--secondary {
  color: var(--otk-ink);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(23, 48, 59, 0.08);
}

.button--ghost {
  color: var(--otk-ink-soft);
  border-color: rgba(23, 48, 59, 0.14);
  background: transparent;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 0 2.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% 0 auto;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 200, 87, 0.3), transparent 70%);
  filter: blur(16px);
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: 2rem;
  align-items: center;
}

.hero__copy {
  display: grid;
  gap: 1.5rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: fit-content;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  color: var(--otk-accent-deep);
  background: rgba(20, 184, 110, 0.12);
}

.hero h1,
.section h2,
.card h3,
.faq-card h3 {
  margin: 0;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  max-width: 11ch;
  color: var(--otk-ink);
}

.hero p,
.section__lede,
.card p,
.faq-card p,
.trust-card p,
.product-card__content p,
.hero-card__copy {
  margin: 0;
  font-size: 1.05rem;
  color: var(--otk-text-soft);
}

.hero-card__copy {
  color: rgba(246, 251, 248, 0.8);
  font-size: 0.97rem;
}

.hero__actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero__stats,
.store-points,
.trust-grid,
.feature-grid,
.product-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

.hero__stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat {
  padding: 1rem 1.1rem;
  border-radius: var(--otk-radius-md);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(23, 48, 59, 0.08);
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--otk-ink);
}

.stat span {
  color: var(--otk-text-soft);
  font-size: 0.95rem;
}

.hero-card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--otk-radius-xl);
  background:
    linear-gradient(180deg, rgba(13, 27, 34, 0.96), rgba(17, 39, 49, 0.92)),
    linear-gradient(135deg, rgba(20, 184, 110, 0.5), rgba(255, 200, 87, 0.2));
  color: #f6fbf8;
  box-shadow: var(--otk-shadow);
}

.hero-card__surface {
  position: absolute;
  inset: 16px;
  border-radius: calc(var(--otk-radius-xl) - 8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.hero-card__topline,
.kicker,
.meta-note {
  color: rgba(246, 251, 248, 0.82);
}

.hero-card__topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.hero-card__media {
  aspect-ratio: 1 / 1;
  padding: 1rem;
  border-radius: calc(var(--otk-radius-xl) - 10px);
  background:
    radial-gradient(circle at top, rgba(20, 184, 110, 0.16), transparent 45%),
    rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.hero-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.28));
}

.hero-card__details {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.hero-card__title {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}

.hero-card__title strong {
  max-width: 14ch;
  font-size: 1.3rem;
}

.chip-row {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(246, 251, 248, 0.92);
  font-size: 0.85rem;
}

.section {
  padding: 2.5rem 0;
}

.section__header {
  display: grid;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  color: var(--otk-ink);
}

.store-points,
.trust-grid,
.feature-grid,
.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.faq-card,
.trust-card {
  padding: 1.4rem;
  border-radius: var(--otk-radius-lg);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--otk-border);
  box-shadow: 0 12px 40px rgba(13, 27, 34, 0.06);
}

.card h3,
.faq-card h3,
.trust-card h3 {
  font-size: 1.25rem;
  color: var(--otk-ink);
}

.trust-card__value {
  font-size: 2rem;
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--otk-ink);
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  display: grid;
  gap: 1.2rem;
  padding: 1.2rem;
  border-radius: var(--otk-radius-xl);
  background: var(--otk-card);
  border: 1px solid rgba(23, 48, 59, 0.08);
  box-shadow: var(--otk-shadow);
}

.product-card--featured {
  border-color: rgba(20, 184, 110, 0.22);
  box-shadow: 0 26px 90px rgba(20, 184, 110, 0.14);
}

.product-card__media {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  padding: 1rem;
  border-radius: calc(var(--otk-radius-xl) - 8px);
  background:
    radial-gradient(circle at top right, rgba(20, 184, 110, 0.18), transparent 35%),
    linear-gradient(180deg, #f8fcfa 0%, #edf5f2 100%);
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-card__content {
  display: grid;
  gap: 0.9rem;
}

.product-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(20, 184, 110, 0.1);
  color: var(--otk-accent-deep);
  font-size: 0.86rem;
  font-weight: 700;
}

.pill--dark {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.price-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.price {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  color: var(--otk-ink);
}

.price-note {
  font-size: 0.92rem;
  color: var(--otk-text-soft);
}

.list-clean {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.list-clean li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}

.list-clean li::before {
  content: "";
  width: 0.6rem;
  height: 0.6rem;
  margin-top: 0.45rem;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--otk-accent), var(--otk-highlight));
}

.testimonial-card {
  display: grid;
  gap: 0.75rem;
}

.testimonial-card__role {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--otk-accent-deep);
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border-radius: var(--otk-radius-xl);
  background: linear-gradient(135deg, #10242d 0%, #173943 100%);
  color: #f4fbf7;
}

.cta-panel::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 184, 110, 0.3), transparent 70%);
}

.cta-panel h2,
.cta-panel p,
.cta-panel .meta-note {
  position: relative;
  z-index: 1;
}

.cta-panel h2 {
  color: #fff;
}

.cta-panel .section__lede,
.cta-panel p {
  color: rgba(244, 251, 247, 0.9);
}

.cta-panel .eyebrow {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.contact-panel {
  position: relative;
  overflow: hidden;
  padding: 2rem;
  border-radius: var(--otk-radius-xl);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 110, 0.2), transparent 32%),
    linear-gradient(135deg, #0f2431 0%, #112c24 100%);
  color: #f4fbf7;
  box-shadow: var(--otk-shadow);
}

.contact-panel::after {
  content: "";
  position: absolute;
  inset: auto -8% -24% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 200, 87, 0.2), transparent 70%);
}

.contact-panel h2,
.contact-panel p {
  position: relative;
  z-index: 1;
}

.contact-panel h2 {
  color: #fff;
}

.contact-panel .section__lede {
  color: rgba(244, 251, 247, 0.9);
  max-width: 40rem;
}

.contact-panel .eyebrow {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.contact-panel__actions {
  position: relative;
  z-index: 1;
}

.contact-panel__note {
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  font-size: 0.9rem;
  color: rgba(244, 251, 247, 0.72);
}

.site-footer {
  padding: 2rem 0 3rem;
}

.site-footer__inner {
  display: grid;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(23, 48, 59, 0.08);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-footer p {
  margin: 0;
  color: var(--otk-text-soft);
}

@media (max-width: 1180px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 980px) {
  .hero__grid,
  .feature-grid,
  .trust-grid,
  .faq-grid,
  .store-points,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-nav {
    display: none;
  }
}

@media (max-width: 720px) {
  .hero {
    padding-top: 3rem;
  }

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

  .site-header__inner,
  .section__inner,
  .site-footer__inner {
    width: min(calc(100% - 1.25rem), var(--otk-max-width));
  }

  .button,
  .button--ghost,
  .button--secondary,
  .button--primary {
    width: 100%;
  }

  .hero-card__title,
  .price-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-row,
  .hero__actions {
    flex-direction: column;
  }
}