/* Site header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: block;
  transition: background var(--transition), box-shadow var(--transition),
    backdrop-filter var(--transition);
  padding-top: max(var(--header-top-gap), env(safe-area-inset-top, 0px));
  padding-bottom: 0;
}

@media (min-width: 900px) {
  .site-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
  }

  .site-header__wrap {
    width: 100%;
  }
}

.site-header.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
  height: var(--header-height);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.site-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-logo:hover {
  color: var(--color-text);
  opacity: 0.85;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.site-header__row > .site-nav {
  display: none;
}

.site-nav--mobile {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 0 0 0.35rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.site-nav--mobile::-webkit-scrollbar {
  display: none;
}

.site-nav--mobile a {
  font-size: 0.875rem;
  white-space: nowrap;
}

.site-header__wrap {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

@media (min-width: 900px) {
  .site-nav--mobile {
    display: none;
  }

  .site-header__row > .site-nav {
    display: flex;
  }
}

.site-nav a,
.site-nav--mobile a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.site-nav a:hover,
.site-nav--mobile a:hover {
  color: var(--color-text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-elevated);
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--color-text);
  transition: transform var(--transition), border-color var(--transition);
}

.theme-toggle:hover {
  transform: scale(1.05);
  border-color: var(--color-blue);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-royal), var(--color-blue));
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(10, 119, 255, 0.35);
}

.btn--primary:hover {
  color: var(--color-white);
  box-shadow: 0 12px 32px rgba(10, 119, 255, 0.45);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.btn--secondary:hover {
  color: var(--color-text);
  border-color: var(--color-blue);
  transform: translateY(-2px);
}

.btn--green {
  background: linear-gradient(135deg, var(--color-green), var(--color-green-soft));
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(13, 92, 61, 0.35);
}

.btn--green:hover {
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--gold {
  background: linear-gradient(
    180deg,
    var(--color-gold-light) 0%,
    var(--color-gold) 45%,
    var(--color-gold-dark) 100%
  );
  color: var(--color-white);
  box-shadow: 0 8px 24px rgba(139, 105, 20, 0.4);
  text-shadow: 0 1px 0 rgba(107, 82, 9, 0.35);
}

.btn--gold:hover {
  color: var(--color-white);
  box-shadow: 0 12px 32px rgba(139, 105, 20, 0.5);
  transform: translateY(-2px);
}

.btn--app-store {
  padding: 0.625rem 1.25rem;
  background: #000;
  color: #fff;
  border-radius: var(--radius-sm);
}

.btn--app-store:hover {
  color: #fff;
  background: #1a1a1a;
}

.btn--app-store svg {
  width: auto;
  height: 40px;
}

.btn--sm {
  font-size: 0.875rem;
  padding: 0.625rem 1.125rem;
}

/* Feature cards */
.feature-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.25rem;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
  }
}

.feature-card {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.feature-card--image {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.feature-card--image:hover {
  transform: translateY(-6px);
  box-shadow: none;
}

.feature-card--image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card--image:hover img {
  box-shadow: var(--shadow-card);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, rgba(10, 119, 255, 0.12), rgba(0, 62, 168, 0.08));
  color: var(--color-royal);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .feature-card__icon {
    color: var(--color-blue-bright);
  }
}

:root[data-theme="dark"] .feature-card__icon {
  color: var(--color-blue-bright);
}

.feature-card h3 {
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 1rem;
}

/* Steps */
.steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2.25rem;
  position: relative;
}

@media (min-width: 768px) {
  .steps {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
  }

  .steps::before {
    content: "";
    position: absolute;
    top: 36px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(
      90deg,
      var(--color-blue),
      var(--color-green-soft)
    );
    opacity: 0.35;
  }
}

.step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-white);
  background: linear-gradient(145deg, var(--color-royal), var(--color-blue));
  box-shadow: 0 12px 32px rgba(10, 119, 255, 0.35);
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: 16rem;
  margin-inline: auto;
}

/* Screenshot carousel */
.carousel {
  margin-top: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 1.25rem;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 1rem;
  scrollbar-width: thin;
}

.carousel::-webkit-scrollbar {
  height: 6px;
}

.carousel::-webkit-scrollbar-thumb {
  background: var(--color-blue);
  border-radius: var(--radius-full);
}

.carousel__track {
  display: flex;
  gap: 1.5rem;
  padding-inline: max(1.25rem, calc((100% - var(--max-width)) / 2 + 1.25rem));
}

.carousel__item {
  flex: 0 0 min(280px, 78vw);
  scroll-snap-align: center;
}

.phone-frame {
  border-radius: 36px;
  padding: 10px;
  background: linear-gradient(160deg, #2a2a2e, #0d0d0f);
  box-shadow: var(--shadow-float);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.phone-frame__screen {
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  background: var(--color-bg);
}

.phone-frame__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Pricing */
.pricing-wrap {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.pricing-card {
  position: relative;
  width: min(100%, 400px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 3rem 2.25rem 2.25rem;
  border: 1px solid rgba(0, 62, 168, 0.08);
  box-shadow:
    0 20px 50px rgba(0, 62, 168, 0.12),
    0 0 0 1px rgba(10, 119, 255, 0.06);
  text-align: center;
}

.pricing-card__badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(
    180deg,
    var(--color-gold-light) 0%,
    var(--color-gold) 50%,
    var(--color-gold-dark) 100%
  );
  color: var(--color-white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.125rem;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 20px rgba(139, 105, 20, 0.45);
  white-space: nowrap;
}

.pricing-card__price {
  font-size: 3.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0.25rem 0 0.125rem;
  color: var(--color-royal-deep);
  line-height: 1.1;
}

.pricing-card__period {
  color: rgba(0, 45, 122, 0.55);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin-bottom: 1.75rem;
}

.pricing-card li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(0, 72, 201, 0.12);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-royal-deep);
}

.pricing-card li:last-child {
  border-bottom: none;
}

.pricing-card li svg {
  flex-shrink: 0;
  color: var(--color-gold-dark);
  stroke: var(--color-gold-dark);
}

.pricing-card__cta {
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1.0625rem;
  border-radius: var(--radius-full);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .pricing-card {
    background: var(--color-white);
    box-shadow:
      0 24px 56px rgba(0, 0, 0, 0.35),
      0 0 0 1px rgba(10, 119, 255, 0.1);
  }

  :root:not([data-theme="light"]) .pricing-card__price,
  :root:not([data-theme="light"]) .pricing-card li {
    color: var(--color-royal-deep);
  }

  :root:not([data-theme="light"]) .pricing-card__period {
    color: rgba(0, 45, 122, 0.6);
  }
}

:root[data-theme="dark"] .pricing-card {
  background: var(--color-white);
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(10, 119, 255, 0.1);
}

:root[data-theme="dark"] .pricing-card__price,
:root[data-theme="dark"] .pricing-card li {
  color: var(--color-royal-deep);
}

/* FAQ accordion */
.faq-list {
  max-width: 720px;
  margin: 3rem auto 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.35rem 0;
  font-weight: 600;
  font-size: 1.0625rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.faq-item__answer {
  padding-bottom: 1.35rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 4rem 0 2.5rem;
  border-top: 1px solid var(--color-border);
  margin-top: var(--section-pad-y);
}

.site-footer__grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) {
  .site-footer__grid {
    grid-template-columns: 1.5fr repeat(3, 1fr);
  }
}

.site-footer h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.site-footer ul {
  list-style: none;
}

.site-footer li {
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.site-footer a:hover {
  color: var(--color-blue);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 640px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Page layouts (privacy, support) */
.page-hero {
  padding: calc(var(--header-height) + var(--header-top-gap) + 4rem) 0 3rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(10, 119, 255, 0.08), transparent);
}

.page-hero h1 {
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.page-hero p {
  color: var(--color-text-muted);
  margin-top: 0.75rem;
}

.content-panel {
  background: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  margin-bottom: 4rem;
}

.content-panel h2 {
  color: var(--color-royal);
  font-size: 1.5rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.content-panel h2:first-child {
  margin-top: 0;
}

.content-panel p,
.content-panel li {
  margin-bottom: 1rem;
  color: var(--color-text-muted);
}

.content-panel ul {
  margin-left: 1.25rem;
  margin-bottom: 1.25rem;
}

.content-panel strong {
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .content-panel h2 {
    color: var(--color-blue-bright);
  }
}

:root[data-theme="dark"] .content-panel h2 {
  color: var(--color-blue-bright);
}

.support-grid {
  display: grid;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .support-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.375rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  margin-bottom: 1.25rem;
  transition: border-color var(--transition);
}

.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}

.form-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: -0.5rem;
}

.contact-email-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-royal-deep), var(--color-blue));
  color: var(--color-white);
}

.contact-email-card a {
  color: var(--color-white);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-email-card p {
  opacity: 0.9;
  margin-top: 0.5rem;
}