/* Zen-Tech layered UI — rem-based, 320px+ */

:root {
  --color-primary: #2d3436;
  --color-secondary: #e9ecef;
  --color-accent: #b2fbcc;
  --color-bg: #f8f9fa;
  --color-white: #ffffff;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Outfit", var(--font-sans);
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --shadow-glow: 0 0 0 1px rgba(178, 251, 204, 0.15),
    0 1.25rem 3rem rgba(45, 52, 54, 0.08);
  --header-h: 4rem;
  --max-w: 72rem;
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  color: var(--color-primary);
  background: var(--color-bg);
  min-width: 320px;
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition), opacity var(--transition);
}

a:hover {
  color: #1a1e20;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* —— Header — burger always last; overlay nav separate —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(248, 249, 250, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 52, 54, 0.06);
}

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

.site-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--color-primary);
  flex-shrink: 0;
}

.site-title:hover {
  color: var(--color-primary);
}

.nav-desktop {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-xs) var(--space-md);
  margin-left: auto;
  margin-right: 0;
}

.nav-desktop a {
  font-size: 0.8125rem;
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.85;
  padding: var(--space-xs) 0;
}

.nav-desktop a:hover {
  opacity: 1;
}

.burger {
  display: none;
  order: 999;
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(45, 52, 54, 0.12);
  background: rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  align-items: center;
  justify-content: center;
}

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

.burger-bar::before,
.burger-bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition);
}

.burger-bar::before {
  top: -6px;
}

.burger-bar::after {
  top: 6px;
}

.burger[aria-expanded="true"] .burger-bar {
  background: transparent;
}

.burger[aria-expanded="true"] .burger-bar::before {
  transform: translateY(6px) rotate(45deg);
}

.burger[aria-expanded="true"] .burger-bar::after {
  transform: translateY(-6px) rotate(-45deg);
}

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

  .burger {
    display: flex;
    margin-left: auto;
  }

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

/* Overlay panel — outside header flow */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 150;
  background: rgba(248, 249, 250, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: var(--space-lg) var(--space-md);
  overflow-y: auto;
  border-top: 1px solid rgba(45, 52, 54, 0.08);
}

.nav-overlay.is-open {
  display: block;
}

.nav-overlay-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.nav-overlay a {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.25rem;
  text-decoration: none;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(45, 52, 54, 0.06);
}

body.nav-locked {
  overflow: hidden;
}

/* —— Sections & layout —— */
.section {
  padding: var(--space-xl) var(--space-md);
}

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

.section-label {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(45, 52, 54, 0.45);
  margin-bottom: var(--space-sm);
}

.section h2 {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-md);
}

.section-lead {
  max-width: 38rem;
  margin: 0 0 var(--space-lg);
  color: rgba(45, 52, 54, 0.78);
}

/* Hero: image under text */
.hero-banner {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: min(85vh, 40rem);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

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

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(0.98);
  transform: scale(1.02);
  transition: filter var(--transition), transform 0.8s ease;
}

.hero-banner:hover .hero-media img {
  filter: saturate(0.85) blur(1px);
  transform: scale(1.04);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(248, 249, 250, 0.94) 0%,
    rgba(248, 249, 250, 0.72) 35%,
    rgba(248, 249, 250, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  width: 100%;
}

.hero-content h1 {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(2rem, 5.5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: 0.03em;
  margin: 0 0 var(--space-md);
  max-width: 20ch;
}

.hero-content p {
  max-width: 32rem;
  margin: 0 0 var(--space-lg);
  color: rgba(45, 52, 54, 0.8);
  font-size: 1.05rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(178, 251, 204, 0.5);
  border-radius: var(--radius-sm);
  box-shadow: 0 0 20px rgba(178, 251, 204, 0.12);
  backdrop-filter: blur(8px);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(178, 251, 204, 0.85);
  color: var(--color-primary);
}

/* Content grid with images */
.content-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

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

  .content-grid.reverse .grid-text {
    order: 2;
  }

  .content-grid.reverse .grid-visual {
    order: 1;
  }
}

.grid-visual {
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-glow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.grid-visual:hover {
  transform: scale(1.02);
  box-shadow: 0 0 0 1px rgba(178, 251, 204, 0.25),
    0 1.5rem 3.5rem rgba(45, 52, 54, 0.12);
}

.grid-visual img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.grid-text ul {
  margin: 0;
  padding-left: 1.2rem;
  color: rgba(45, 52, 54, 0.82);
}

.grid-text li {
  margin-bottom: var(--space-xs);
}

/* Banner strip: image under text */
.banner-strip {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  min-height: 22rem;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.banner-strip .strip-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.banner-strip .strip-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-strip .strip-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(248, 249, 250, 0.88);
}

.banner-strip .strip-inner {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  width: 100%;
  text-align: center;
}

.banner-strip .strip-inner p {
  max-width: 36rem;
  margin: 0 auto;
  color: rgba(45, 52, 54, 0.78);
}

/* Pillars grid */
.pillars-grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 600px) {
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar-card {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(178, 251, 204, 0.35);
  box-shadow: var(--shadow-glow);
}

.pillar-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.05rem;
  margin: 0 0 var(--space-xs);
}

.pillar-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(45, 52, 54, 0.75);
}

/* Flow timeline */
.flow-list {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 40rem;
}

.flow-item {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  border: 1px solid rgba(45, 52, 54, 0.06);
}

.flow-time {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(45, 52, 54, 0.4);
}

.flow-item p {
  margin: 0;
  font-size: 0.9375rem;
}

.narratives-sub {
  margin-top: var(--space-xl);
}

.subsection-title {
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin: 0 0 var(--space-md);
}

/* Notes / narratives — neutral */
.notes-block {
  padding: var(--space-lg);
  background: rgba(233, 236, 239, 0.5);
  border-radius: var(--radius-md);
  border-left: 3px solid rgba(178, 251, 204, 0.6);
}

.notes-block p {
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
  color: rgba(45, 52, 54, 0.8);
}

.notes-block p:last-child {
  margin-bottom: 0;
}

/* Product / access */
.products-grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

@media (min-width: 700px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  border: 1px solid rgba(45, 52, 54, 0.08);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.product-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  margin: 0 0 var(--space-sm);
}

.product-card .desc {
  flex: 1;
  font-size: 0.9rem;
  color: rgba(45, 52, 54, 0.76);
  margin-bottom: var(--space-md);
}

.product-card .price {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(45, 52, 54, 0.08);
}

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

@media (min-width: 800px) {
  .contact-layout {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}

.contact-details {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.contact-details dt {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(45, 52, 54, 0.45);
  margin-top: var(--space-md);
}

.contact-details dt:first-child {
  margin-top: 0;
}

.contact-details dd {
  margin: 0.25rem 0 0;
}

.map-link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
}

.contact-form {
  display: grid;
  gap: var(--space-md);
}

.contact-form label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: rgba(45, 52, 54, 0.55);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font: inherit;
  border: 1px solid rgba(45, 52, 54, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.85);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.consent {
  gap: var(--space-sm);
  align-items: flex-start;
  font-size: 0.8125rem;
  color: rgba(45, 52, 54, 0.75);
}

.consent input {
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  padding: var(--space-xl) var(--space-md);
  background: var(--color-secondary);
  border-top: 1px solid rgba(45, 52, 54, 0.06);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: var(--space-lg);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
}

.footer-nav a {
  font-size: 0.8125rem;
  text-decoration: none;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.footer-legal a {
  font-size: 0.8125rem;
}

.footer-meta {
  font-size: 0.8125rem;
  color: rgba(45, 52, 54, 0.65);
}

/* Thank you */
.thank-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.thank-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl) var(--space-md);
}

.thank-card {
  max-width: 28rem;
  text-align: center;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-md);
  border: 1px solid rgba(178, 251, 204, 0.35);
  box-shadow: var(--shadow-glow);
}

.thank-card h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.75rem;
  margin: 0 0 var(--space-md);
}

.thank-card p {
  margin: 0 0 var(--space-lg);
  color: rgba(45, 52, 54, 0.78);
}

/* Legal pages */
.legal-main {
  max-width: 48rem;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}

.legal-main h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.legal-main h2 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-main p,
.legal-main li {
  color: rgba(45, 52, 54, 0.82);
  font-size: 0.9375rem;
}

.legal-main .date {
  font-size: 0.875rem;
  color: rgba(45, 52, 54, 0.55);
  margin-bottom: var(--space-lg);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 300;
  padding: var(--space-md);
  background: rgba(45, 52, 54, 0.96);
  color: var(--color-secondary);
  transform: translateY(100%);
  transition: transform var(--transition);
  box-shadow: 0 -0.5rem 2rem rgba(0, 0, 0, 0.15);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  justify-content: space-between;
}

.cookie-banner p {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.875rem;
  line-height: 1.55;
}

.cookie-banner a {
  color: var(--color-accent);
}

.cookie-actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cookie-actions button {
  padding: 0.6rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.cookie-accept {
  background: var(--color-accent);
  color: var(--color-primary);
}

.cookie-decline {
  background: transparent;
  color: var(--color-secondary);
  border: 1px solid rgba(233, 236, 239, 0.35);
}

/* Stagger reveal */
.reveal {
  opacity: 0;
  transform: translateY(1.25rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* Subtle cursor-adjacent glow on interactive (reduced motion safe) */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .btn,
  .burger,
  .pillar-card,
  .product-card {
    cursor: pointer;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}