/* Crystalline cognitive aesthetic — neutral UI tokens */
:root {
  --color-primary: #101214;
  --color-secondary: #B0C4DE;
  --color-accent: #7000FF;
  --color-bg: #F2F4F7;
  --color-surface: #ffffff;
  --color-line: rgba(16, 18, 20, 0.18);
  --font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Liberation Mono", monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 4.5rem;
  --max-width: 72rem;
  --header-h: 4.25rem;
  --transition: 0.35s ease;
  --burger-break: 1023px;
}

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

html {
  font-size: 100%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body.page-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--color-primary);
  background-color: var(--color-bg);
  background-image:
    linear-gradient(90deg, rgba(176, 196, 222, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(176, 196, 222, 0.08) 1px, transparent 1px);
  background-size: 2.5rem 2.5rem;
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 0.05em;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--color-accent);
}

/* Header: brand + nav stretches; burger last */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(242, 244, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 0.5px solid var(--color-line);
}

.header-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand-text {
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-primary {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: flex-end;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-xs) var(--space-sm);
}

.nav-list a {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.burger-btn {
  display: none;
  order: 99;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border: 0.5px solid var(--color-line);
  background: var(--color-surface);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.35rem;
  position: relative;
}

.burger-line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
  transform: translateY(0.45rem) rotate(45deg);
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
  opacity: 0;
}

.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
  transform: translateY(-0.45rem) rotate(-45deg);
}

@media (max-width: 1023px) {
  .nav-primary {
    display: none;
  }

  .burger-btn {
    display: flex;
  }

  .header-shell {
    flex-wrap: nowrap;
  }

  .brand-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Drawer: separate from header */
.nav-drawer {
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 35;
  background: rgba(16, 18, 20, 0.35);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), visibility var(--transition);
}

.nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-drawer-inner {
  margin-left: auto;
  width: min(22rem, 92%);
  height: 100%;
  background: var(--color-bg);
  border-left: 0.5px solid var(--color-line);
  box-shadow: -0.5rem 0 2rem rgba(16, 18, 20, 0.12);
  padding: var(--space-md);
  overflow-y: auto;
}

.nav-drawer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav-drawer-list a {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  padding: var(--space-xs) 0;
  border-bottom: 0.5px solid var(--color-line);
}

/* Sections */
.section {
  position: relative;
  padding: var(--space-xl) var(--space-md);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section.alt {
  background: rgba(255, 255, 255, 0.45);
}

.section-head {
  max-width: 40rem;
  margin-bottom: var(--space-lg);
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-head h2,
.section .section-inner > h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
}

.section-intro {
  margin: 0;
  color: rgba(16, 18, 20, 0.75);
}

.narrow {
  max-width: 42rem;
  margin: 0 auto;
}

/* Hero: image under text */
.hero-banner {
  min-height: clamp(22rem, 65vh, 38rem);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: saturate(0.85) contrast(1.05);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(242, 244, 247, 0.92) 0%,
    rgba(242, 244, 247, 0.78) 45%,
    rgba(242, 244, 247, 0.92) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 44rem;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(16, 18, 20, 0.55);
  margin: 0 0 var(--space-sm);
}

.hero-title {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  font-weight: 650;
}

.hero-lead {
  margin: 0;
  font-size: 1.05rem;
  color: rgba(16, 18, 20, 0.82);
}

/* Virtual frames */
.frame-card {
  position: relative;
  border: 0.5px solid var(--color-line);
  background: var(--color-surface);
  padding: var(--space-md);
  transition:
    border-color var(--transition),
    box-shadow var(--transition),
    color var(--transition);
}

.frame-card::before,
.frame-card::after {
  content: "";
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border: 0.5px solid var(--color-secondary);
  pointer-events: none;
  transition: border-color var(--transition);
}

.frame-card::before {
  top: -0.5px;
  left: -0.5px;
  border-right: none;
  border-bottom: none;
}

.frame-card::after {
  bottom: -0.5px;
  right: -0.5px;
  border-left: none;
  border-top: none;
}

.frame-card:hover,
.frame-card:focus-within {
  border-color: rgba(112, 0, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(112, 0, 255, 0.08);
  animation: frame-pulse 2.4s ease-in-out infinite;
}

.frame-card:hover,
.frame-card:focus-within {
  color: var(--color-primary);
}

@keyframes frame-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 1px rgba(112, 0, 255, 0.06);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(112, 0, 255, 0.18);
  }
}

/* Grids */
.grid-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 768px) {
  .grid-two {
    grid-template-columns: 1fr 1fr;
  }

  .grid-reverse .grid-copy {
    order: 1;
  }

  .grid-reverse > .frame-card {
    order: 2;
  }
}

.grid-copy h2 {
  margin-top: 0;
}

.media-rise figure,
.media-rise {
  margin: 0;
}

.grid-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

.card-tile h3 {
  margin-top: var(--space-sm);
  font-size: 1rem;
}

.card-fig {
  margin: calc(var(--space-md) * -1);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  aspect-ratio: 1;
}

.card-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.grid-products {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 720px) {
  .grid-products {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  margin: var(--space-sm) 0 0;
  color: rgba(16, 18, 20, 0.85);
}

/* Contact */
.grid-contact {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 800px) {
  .grid-contact {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-block h2 {
  margin-top: 0;
}

.contact-address {
  font-style: normal;
  margin: var(--space-md) 0;
  font-size: 0.95rem;
}

.domain-line {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: rgba(16, 18, 20, 0.65);
}

.map-note {
  font-size: 0.85rem;
  color: rgba(16, 18, 20, 0.6);
  max-width: 28rem;
}

.field-group {
  margin-bottom: var(--space-sm);
}

.field-group label {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  margin-bottom: var(--space-xs);
}

.field-group input,
.field-group textarea {
  width: 100%;
  padding: var(--space-sm);
  border: 0.5px solid var(--color-line);
  background: var(--color-bg);
  font: inherit;
  border-radius: 0;
}

.field-group input:focus-visible,
.field-group textarea:focus-visible {
  outline: 2px solid rgba(112, 0, 255, 0.35);
  outline-offset: 2px;
}

.checkbox-row {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.checkbox-row input {
  width: auto;
  margin-top: 0.35rem;
}

/* Cut-corner button */
.btn-cut {
  display: inline-block;
  margin-top: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: none;
  background: var(--color-primary);
  color: var(--color-bg);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: filter var(--transition), transform 0.15s ease;
}

.btn-cut:hover {
  filter: brightness(1.08);
}

.btn-cut:active {
  transform: scale(0.98);
  filter: drop-shadow(0 0 0.5rem rgba(112, 0, 255, 0.45));
}

.btn-ghost {
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: transparent;
  border: 0.5px solid var(--color-line);
  cursor: pointer;
}

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

/* Footer */
.site-footer {
  border-top: 0.5px solid var(--color-line);
  padding: var(--space-lg) var(--space-md);
  background: rgba(255, 255, 255, 0.6);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-nav .nav-list {
  justify-content: center;
  margin-bottom: var(--space-md);
}

.legal-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-md);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
}

.legal-list a {
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.footer-meta {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(16, 18, 20, 0.55);
  font-family: var(--font-mono);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: var(--space-md);
  pointer-events: none;
}

.cookie-banner:not([hidden]) {
  pointer-events: auto;
}

.cookie-inner {
  max-width: 36rem;
  margin: 0 auto;
  pointer-events: auto;
}

.cookie-heading {
  font-size: 1rem;
  margin: 0 0 var(--space-xs);
}

.cookie-text {
  margin: 0 0 var(--space-sm);
  font-size: 0.9rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* Scan cursor on prose */
.prose-scan {
  cursor: vertical-text;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Thank you page */
.page-thanks .thanks-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  overflow: hidden;
}

.page-thanks .thanks-banner-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-thanks .thanks-bg-pattern {
  width: 100%;
  height: 100%;
  min-height: 100%;
  opacity: 0.5;
  background:
    linear-gradient(118deg, rgba(112, 0, 255, 0.09) 0%, transparent 45%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 10px,
      rgba(176, 196, 222, 0.14) 10px,
      rgba(176, 196, 222, 0.14) 11px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 10px,
      rgba(16, 18, 20, 0.035) 10px,
      rgba(16, 18, 20, 0.035) 11px
    ),
    linear-gradient(188deg, #e6eaef, #f9fafb);
}

.page-thanks .thanks-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(242, 244, 247, 0.94) 0%,
    rgba(242, 244, 247, 0.88) 50%,
    rgba(242, 244, 247, 0.94) 100%
  );
}

.page-thanks .thanks-card {
  position: relative;
  z-index: 2;
  max-width: 32rem;
  margin: 0 auto;
}

.page-thanks .thanks-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin: 0 0 var(--space-sm);
}

.page-thanks .thanks-text {
  margin: 0 0 var(--space-md);
  color: rgba(16, 18, 20, 0.78);
}

/* Legal article layout */
.legal-page .legal-hero {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  text-align: center;
}

.legal-page .legal-hero h1 {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  margin: 0 0 var(--space-sm);
}

.legal-page .date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(16, 18, 20, 0.55);
  margin: 0;
}

.legal-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
  display: grid;
  gap: var(--space-lg);
}

.legal-block {
  display: grid;
  gap: var(--space-md);
}

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

.legal-block h2 {
  font-size: 1.15rem;
  margin: 0 0 var(--space-xs);
}

.legal-block p,
.legal-block ul {
  margin: 0;
  color: rgba(16, 18, 20, 0.82);
  font-size: 0.95rem;
}

.legal-block ul {
  padding-left: 1.2rem;
}

.legal-figure {
  margin: 0;
  padding: 0;
  overflow: hidden;
}

.legal-visual {
  width: 100%;
  aspect-ratio: 16 / 10;
  min-height: 10rem;
  background-color: #eef1f5;
  background-image:
    linear-gradient(125deg, rgba(176, 196, 222, 0.35) 0%, transparent 55%),
    repeating-linear-gradient(
      -28deg,
      transparent,
      transparent 9px,
      rgba(112, 0, 255, 0.05) 9px,
      rgba(112, 0, 255, 0.05) 10px
    );
}

.legal-visual--a {
  background-image:
    linear-gradient(145deg, rgba(112, 0, 255, 0.1) 0%, transparent 50%),
    repeating-linear-gradient(0deg, transparent, transparent 12px, rgba(176, 196, 222, 0.2) 12px, rgba(176, 196, 222, 0.2) 13px),
    linear-gradient(180deg, #e9edf3, #ffffff);
}

.legal-visual--b {
  background-image:
    linear-gradient(210deg, rgba(16, 18, 20, 0.06) 0%, transparent 40%),
    repeating-linear-gradient(90deg, transparent, transparent 14px, rgba(112, 0, 255, 0.04) 14px, rgba(112, 0, 255, 0.04) 15px),
    linear-gradient(160deg, #f0f2f6, #fdfdfd);
}

.legal-visual--c {
  background-image:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(176, 196, 222, 0.45), transparent 70%),
    repeating-linear-gradient(-12deg, transparent, transparent 11px, rgba(16, 18, 20, 0.04) 11px, rgba(16, 18, 20, 0.04) 12px),
    linear-gradient(195deg, #eceff4, #fbfcfd);
}

.legal-visual--d {
  background-image:
    linear-gradient(90deg, rgba(112, 0, 255, 0.07) 0%, transparent 35%, rgba(176, 196, 222, 0.25) 100%),
    repeating-linear-gradient(45deg, transparent, transparent 8px, rgba(16, 18, 20, 0.03) 8px, rgba(16, 18, 20, 0.03) 9px),
    linear-gradient(0deg, #e8ebf1, #ffffff);
}

@media (max-width: 320px) {
  html {
    font-size: 93%;
  }

  .header-shell {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
}