:root {
  --deep: #4b2e83;
  --ocean: #0277bd;
  --ocean-2: #12a6d8;
  --aqua: #5ed4df;
  --ink: #132238;
  --muted: #64748b;
  --sand: #f0dfc8;
  --cream: #fff8ee;
  --cream-2: #f7efe3;
  --white: #ffffff;
  --line: rgba(19, 34, 56, 0.12);
  --shadow: 0 28px 80px rgba(19, 34, 56, 0.16);
  --shadow-soft: 0 18px 50px rgba(19, 34, 56, 0.10);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 5%, rgba(94, 212, 223, 0.22), transparent 32rem),
    radial-gradient(circle at 85% 0%, rgba(75, 46, 131, 0.12), transparent 30rem),
    linear-gradient(180deg, var(--cream) 0%, #fff 42%, var(--cream-2) 100%);
  line-height: 1.55;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--ink);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  z-index: 999;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.section-pad { padding: 5.5rem 0; }

.announcement {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 0.7rem 1rem;
  background: linear-gradient(90deg, var(--deep), var(--ocean));
  color: white;
  font-size: 0.92rem;
}
.announcement a {
  font-weight: 800;
  border-bottom: 1px solid rgba(255,255,255,0.75);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 248, 238, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: 1.24rem;
}
.brand img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(2,119,189,0.20);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.3rem;
  color: rgba(19, 34, 56, 0.78);
  font-size: 0.95rem;
  font-weight: 750;
}
.nav-menu a { transition: color 180ms ease; }
.nav-menu a:hover { color: var(--ocean); }
.nav-cta {
  color: white !important;
  background: linear-gradient(135deg, var(--deep), var(--ocean));
  padding: 0.78rem 1rem;
  border-radius: 999px;
  box-shadow: 0 12px 25px rgba(2, 119, 189, 0.20);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.65);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.menu-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
}

.hero { padding-top: 4rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: 4rem;
}
.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--ocean);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 900;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
  margin-bottom: 1.4rem;
}
h2 {
  font-size: clamp(2.2rem, 5vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
  margin-bottom: 1.1rem;
}
h3 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 0.75rem;
}
.lead {
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  color: var(--muted);
  max-width: 650px;
  margin-bottom: 2rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
}
.hero-actions.center { justify-content: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.92rem 1.25rem;
  border-radius: 999px;
  font-weight: 900;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--deep), var(--ocean));
  box-shadow: 0 18px 38px rgba(2, 119, 189, 0.25);
}
.btn-secondary {
  color: var(--ink);
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
}
.btn-secondary:hover { border-color: rgba(2,119,189,0.35); box-shadow: var(--shadow-soft); }
.btn.full { width: 100%; }
.micro-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}
.micro-proof span {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  color: rgba(19, 34, 56, 0.72);
  font-size: 0.88rem;
  font-weight: 750;
}
.hero-media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 560px;
  background: var(--sand);
}
.hero-media > img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
}
.floating-card {
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  border-radius: 22px;
  color: white;
  background: linear-gradient(135deg, rgba(75,46,131,0.86), rgba(2,119,189,0.82));
  backdrop-filter: blur(16px);
  box-shadow: 0 18px 40px rgba(19,34,56,0.18);
}
.floating-card strong { font-size: 1.05rem; }
.floating-card span { opacity: 0.86; }

.brand-strip {
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.52);
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.strip-grid div {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
}
.strip-grid span {
  display: block;
  color: var(--ocean);
  font-weight: 900;
  font-size: 0.8rem;
  margin-bottom: 0.2rem;
}
.strip-grid strong {
  display: block;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}
.strip-grid p { margin: 0.2rem 0 0; color: var(--muted); }

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.align-center { align-items: center; }
.copy-block p { color: var(--muted); font-size: 1.05rem; }
.image-stack {
  position: relative;
  min-height: 640px;
}
.image-stack img,
.large-image-card img,
.gallery-grid img,
.product-card img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}
.stack-main {
  width: 82%;
  height: 560px;
  object-fit: cover;
}
.stack-small {
  position: absolute;
  width: 45%;
  right: 0;
  bottom: 0;
  border: 10px solid var(--cream);
}
.feature-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.feature-list div {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: rgba(19, 34, 56, 0.84);
  font-weight: 760;
}
.feature-list span {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  margin-top: 0.42rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--deep), var(--ocean-2));
}

.method {
  background:
    radial-gradient(circle at 80% 15%, rgba(94,212,223,0.18), transparent 30rem),
    linear-gradient(180deg, rgba(255,255,255,0.65), rgba(255,248,238,0.35));
}
.section-heading {
  max-width: 780px;
  margin: 0 auto 3rem;
  text-align: center;
}
.section-heading p:not(.eyebrow) { color: var(--muted); font-size: 1.1rem; }
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.method-card,
.science-panel,
.story-card,
.final-card {
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}
.method-card { padding: 1.5rem; }
.card-number {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: white;
  font-weight: 900;
  background: linear-gradient(135deg, var(--deep), var(--ocean));
  margin-bottom: 1.2rem;
}
.method-card p { color: var(--muted); margin-bottom: 0; }
.science-panel {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 2rem;
  padding: 2rem;
  margin-top: 1.2rem;
}
.science-panel p:last-child { color: var(--muted); font-size: 1.06rem; margin-bottom: 0; }

.oceanbum { background: rgba(255,255,255,0.46); }
.large-image-card img {
  width: 100%;
  height: 610px;
  object-fit: cover;
}
.specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 1.5rem 0 0;
}
.specs div {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.76);
  border: 1px solid var(--line);
}
.specs dt {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
}
.specs dd {
  margin: 0.25rem 0 0;
  font-weight: 900;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 1.4rem;
  align-items: stretch;
}
.product-card {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.84);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}
.product-card.featured { box-shadow: var(--shadow); }
.product-card img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
}
.product-content { padding: 1.5rem; }
.product-content h3 { margin-bottom: 0.4rem; }
.price {
  font-size: 2.3rem;
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 950;
  margin: 0.4rem 0 1.2rem;
  background: linear-gradient(135deg, var(--deep), var(--ocean));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
ul {
  padding-left: 1.2rem;
  color: var(--muted);
}
li { margin-bottom: 0.55rem; }
.badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 1;
  color: white;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--deep), var(--ocean));
  font-weight: 900;
  font-size: 0.82rem;
  box-shadow: 0 12px 30px rgba(19,34,56,0.18);
}

.steps-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.85rem;
}
.steps-list li {
  display: grid;
  grid-template-columns: 1fr;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.76);
  border: 1px solid var(--line);
}
.steps-list strong { margin-bottom: 0.25rem; }
.steps-list span { color: var(--muted); }

.story-section { padding-top: 1rem; }
.story-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  padding: 2.4rem;
  background:
    radial-gradient(circle at 10% 20%, rgba(94, 212, 223, 0.22), transparent 18rem),
    linear-gradient(135deg, rgba(255,255,255,0.88), rgba(255,248,238,0.78));
}
.story-card p:last-child { color: var(--muted); font-size: 1.08rem; margin-bottom: 0; }

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}
.gallery-grid img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
}
.faq-intro p { color: var(--muted); }
.faq-list { display: grid; gap: 0.75rem; }
details {
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem 1.1rem;
  box-shadow: 0 8px 24px rgba(19,34,56,0.06);
}
summary {
  cursor: pointer;
  font-weight: 900;
  letter-spacing: -0.02em;
}
details p { margin: 0.8rem 0 0; color: var(--muted); }

.final-cta { padding-top: 2rem; }
.final-card {
  text-align: center;
  padding: clamp(2rem, 6vw, 4.5rem);
  background:
    radial-gradient(circle at 50% 0%, rgba(94,212,223,0.28), transparent 26rem),
    linear-gradient(135deg, rgba(255,255,255,0.92), rgba(255,248,238,0.8));
}
.final-card img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin: 0 auto 1.3rem;
  box-shadow: 0 18px 45px rgba(2, 119, 189, 0.18);
}
.final-card p:not(.eyebrow) {
  color: var(--muted);
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  padding: 3rem 0 2rem;
  color: rgba(255,255,255,0.84);
  background: linear-gradient(135deg, #221a3e, #053a5d);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
}
.footer-brand img { width: 42px; height: 42px; }
.footer-grid p { color: rgba(255,255,255,0.7); margin: 0.7rem 0 0; }
.footer-grid strong {
  display: block;
  color: white;
  margin-bottom: 0.8rem;
}
.footer-grid a:not(.brand) {
  display: block;
  margin-bottom: 0.5rem;
  color: rgba(255,255,255,0.72);
}
.footer-grid a:hover { color: white; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,0.16);
  color: rgba(255,255,255,0.62);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 650ms ease, transform 650ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 120ms; }
.delay-2 { transition-delay: 220ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover { transform: none; }
}

@media (max-width: 950px) {
  .announcement { font-size: 0.82rem; flex-wrap: wrap; }
  .section-pad { padding: 4rem 0; }
  .menu-toggle { display: inline-flex; }
  .nav { min-height: 68px; }
  .nav-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.8rem;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 248, 238, 0.98);
    box-shadow: var(--shadow-soft);
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a { padding: 0.9rem 1rem; border-radius: 16px; }
  .nav-cta { text-align: center; margin-top: 0.4rem; }
  .hero-grid,
  .split-grid,
  .science-panel,
  .story-card,
  .faq-grid,
  .product-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero { padding-top: 3rem; }
  .hero-media,
  .hero-media > img { min-height: 460px; }
  .strip-grid,
  .method-grid,
  .gallery-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .image-stack { min-height: 520px; }
  .stack-main { height: 470px; }
  .large-image-card img { height: 460px; }
  .gallery-grid img { height: 360px; }
  .reverse-on-mobile .large-image-card { order: -1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .container, .nav { width: min(100% - 1.2rem, var(--container)); }
  .brand span { font-size: 1.1rem; }
  h1 { font-size: clamp(3rem, 18vw, 4.3rem); }
  .hero-actions { align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .micro-proof span { width: 100%; text-align: center; }
  .hero-media,
  .hero-media > img { min-height: 380px; }
  .image-stack { min-height: auto; }
  .stack-main { width: 100%; height: 390px; }
  .stack-small { position: static; width: 78%; margin: -3.5rem auto 0; }
  .specs { grid-template-columns: 1fr; }
  .product-card img,
  .large-image-card img,
  .gallery-grid img { height: 330px; }
  .story-card, .science-panel, .final-card { padding: 1.3rem; }
}