:root {
  --navy: #0a1f3d;
  --navy-deep: #061526;
  --navy-mid: #123056;
  --amber: #c9a227;
  --amber-hot: #e0b93a;
  --foam: #e8eef6;
  --mist: #9aafc4;
  --ink: #0a1f3d;
  --white: #ffffff;
  --font-display: "Syne", sans-serif;
  --font-body: "Manrope", sans-serif;
  --max: 68rem;
  --ease: 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: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--foam);
}

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

a {
  color: inherit;
}

code {
  font-size: 0.92em;
  background: rgba(10, 31, 61, 0.08);
  padding: 0.1em 0.35em;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--amber);
  color: var(--navy);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 0;
}

/* —— Top nav —— */
.top {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2.5rem);
  background: rgba(6, 21, 38, 0.72);
  backdrop-filter: blur(10px);
  color: var(--foam);
}

.top__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.top__brand img {
  width: 36px;
  height: 36px;
  border-radius: 6px;
}

.top__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
}

.top__nav a {
  text-decoration: none;
  color: var(--mist);
  transition: color 0.25s var(--ease);
}

.top__nav a:hover,
.top__nav a:focus-visible {
  color: var(--amber);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--foam);
  overflow: hidden;
  background: var(--navy-deep);
}

.hero__atmosphere {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 70% 20%, rgba(201, 162, 39, 0.18), transparent 55%),
    radial-gradient(ellipse 70% 50% at 15% 80%, rgba(18, 48, 86, 0.9), transparent 50%),
    linear-gradient(165deg, #07182c 0%, #0a1f3d 45%, #0d2848 100%);
  animation: atmosphere-shift 18s var(--ease) infinite alternate;
}

.hero__atmosphere::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(232, 238, 246, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 238, 246, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 20%, transparent 85%);
}

.hero__stage {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 6.5rem clamp(1rem, 3vw, 2.5rem) 3.5rem;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: end;
}

.hero__mark {
  width: min(100%, 28rem);
  justify-self: start;
  border-radius: 1.25rem;
  animation: mark-rise 1.1s var(--ease) both;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.35));
}

.hero__copy {
  padding-bottom: 0.5rem;
  animation: copy-rise 1.15s 0.12s var(--ease) both;
}

.hero__brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.2rem, 8vw, 5.5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--white);
}

.hero__headline {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  line-height: 1.2;
  color: var(--foam);
  max-width: 22ch;
}

.hero__lede {
  margin: 0 0 1.5rem;
  color: var(--mist);
  max-width: 36ch;
  font-size: 1.05rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.25rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

.btn--amber {
  background: var(--amber);
  color: var(--navy-deep);
}

.btn--amber:hover {
  background: var(--amber-hot);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(232, 238, 246, 0.45);
  color: var(--foam);
}

.btn--ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.product .btn--ghost,
.buy .btn--ghost {
  border-color: rgba(10, 31, 61, 0.25);
  color: var(--navy);
}

.product .btn--ghost:hover,
.buy .btn--ghost:hover {
  border-color: var(--navy);
  color: var(--navy-deep);
}

/* —— Sections —— */
.band,
.flow,
.products,
.install,
.buy {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1rem, 3vw, 2.5rem);
}

.band {
  background:
    linear-gradient(120deg, #dfe8f2 0%, #e8eef6 40%, #f3f6fa 100%);
}

.band__inner,
.flow__inner,
.install__inner,
.buy__inner,
.products__head {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.band h2,
.flow h2,
.products h2,
.install h2,
.buy h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 750;
  font-size: clamp(1.85rem, 3.5vw, 2.45rem);
  letter-spacing: -0.02em;
  color: var(--navy);
}

.band p {
  margin: 0;
  max-width: 58ch;
  font-size: 1.15rem;
  color: var(--navy-mid);
}

.flow {
  background: var(--navy);
  color: var(--foam);
}

.flow h2 {
  color: var(--white);
}

.flow__steps {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.flow__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(232, 238, 246, 0.12);
  opacity: 0;
  transform: translateY(12px);
}

.flow__steps li.is-in {
  animation: step-in 0.7s var(--ease) forwards;
}

.flow__n {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--amber);
  line-height: 1;
}

.flow__steps p {
  margin: 0;
  color: var(--mist);
}

.flow__steps strong {
  color: var(--white);
  font-weight: 700;
}

.products {
  background: var(--foam);
}

.products__head p {
  margin: 0 0 2.5rem;
  max-width: 48ch;
  color: var(--navy-mid);
}

.product {
  width: min(var(--max), 100%);
  margin: 0 auto 2.75rem;
  padding: 0 0 2.75rem;
  border-bottom: 1px solid rgba(10, 31, 61, 0.12);
  opacity: 0;
  transform: translateY(16px);
}

.product.is-in {
  animation: step-in 0.75s var(--ease) forwards;
}

.product:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.product__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  margin-bottom: 0.65rem;
}

.product h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 750;
  color: var(--navy);
}

.product__sku {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
}

.product__body {
  margin: 0 0 1.25rem;
  max-width: 52ch;
  color: var(--navy-mid);
}

.product__buy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.product__price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--navy);
  min-width: 5.5rem;
}

.product__lock {
  font-size: 0.92rem;
  font-weight: 600;
  color: #5a738c;
}

.product--trial {
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.12), transparent 60%);
  margin-left: calc(-1 * clamp(0px, 2vw, 0px));
  padding: 1.5rem 0 0;
  border-bottom: 0;
}

.install {
  background:
    linear-gradient(180deg, #f3f6fa 0%, #e4ebf4 100%);
}

.install ol {
  margin: 0 0 1.25rem;
  padding-left: 1.2rem;
  max-width: 54ch;
  color: var(--navy-mid);
}

.install li {
  margin-bottom: 0.65rem;
}

.install__req {
  margin: 0;
  font-size: 0.95rem;
  color: var(--mist);
  color: #5a738c;
}

.buy {
  background: var(--navy-deep);
  color: var(--foam);
}

.buy h2 {
  color: var(--white);
}

.buy__lede {
  margin: 0 0 0.75rem;
  max-width: 42ch;
  color: var(--mist);
  font-size: 1.15rem;
}

.buy__lede strong {
  color: var(--amber);
  font-family: var(--font-display);
  font-size: 1.35em;
}

.buy__note {
  margin: 0 0 1.5rem;
  max-width: 48ch;
  font-size: 0.95rem;
  color: rgba(154, 175, 196, 0.95);
}

.buy__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.buy .btn--ghost {
  border-color: rgba(232, 238, 246, 0.4);
  color: var(--foam);
}

.buy__note--warn {
  color: #f0c36a;
}

.paypal-slot {
  margin-top: 1rem;
  max-width: 22rem;
}

.paypal-slot__hint {
  margin: 0;
  font-size: 0.9rem;
  color: #5a738c;
}

.paypal-done {
  margin: 0.85rem 0 0;
  font-weight: 600;
  color: #1a6b3c;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
}

.paypal-done a.btn {
  color: var(--navy-deep);
}

.paypal-meta {
  display: block;
  width: 100%;
  font-size: 0.88rem;
  font-weight: 500;
  color: #5a738c;
}

.contact {
  padding: clamp(3.5rem, 8vw, 5.5rem) clamp(1rem, 3vw, 2.5rem);
  background:
    linear-gradient(120deg, #e8eef6 0%, #dfe8f2 50%, #f3f6fa 100%);
}

.contact__inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.contact h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 3.5vw, 2.45rem);
  letter-spacing: -0.02em;
  color: var(--navy);
}

.contact__lede {
  margin: 0 0 1.5rem;
  max-width: 40ch;
  color: var(--navy-mid);
  font-size: 1.1rem;
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.contact .btn--ghost {
  border-color: rgba(10, 31, 61, 0.25);
  color: var(--navy);
}

.contact .btn--ghost:hover {
  border-color: var(--navy);
}

.contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  max-width: 36rem;
}

.contact__list li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
}

.contact__list span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber);
}

.contact__list a {
  color: var(--navy);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 31, 61, 0.2);
}

.contact__list a:hover {
  border-bottom-color: var(--amber);
}

.foot a {
  color: var(--amber);
  text-decoration: none;
}

.foot a:hover {
  text-decoration: underline;
}

.foot {
  background: #040e1a;
  color: var(--mist);
  padding: 2.5rem clamp(1rem, 3vw, 2.5rem);
}

.foot__inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.foot img {
  border-radius: 6px;
  margin-bottom: 0.85rem;
}

.foot p {
  margin: 0 0 0.5rem;
}

.foot__small {
  font-size: 0.82rem;
  opacity: 0.75;
  max-width: 52ch;
}

@keyframes atmosphere-shift {
  from { filter: hue-rotate(0deg) saturate(1); }
  to { filter: hue-rotate(-8deg) saturate(1.08); }
}

@keyframes mark-rise {
  from { opacity: 0; transform: translateY(28px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes copy-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes step-in {
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 820px) {
  .hero__stage {
    grid-template-columns: 1fr;
    align-items: start;
    padding-top: 5.5rem;
  }

  .hero__mark {
    width: min(72vw, 18rem);
    justify-self: center;
  }

  .hero__brand {
    font-size: clamp(2.6rem, 14vw, 3.8rem);
  }

  .top__nav {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .product,
  .flow__steps li {
    opacity: 1;
    transform: none;
  }
}