/* ==========================================================================
   SILKMAIL.DE — BESPOKE CRAFT STYLESHEET
   Faithfully built with the Kinpaku Design Tokens & Impeccable Architecture
   Inspired by Dieter Rams / Braun physical instruments, Finnish local craft,
   and honest human-scale communication.
   ========================================================================== */

:root {
  color-scheme: light;

  /* Kinpaku Palette Tokens */
  --ks-kinpaku: oklch(84% 0.19 80.46);
  --ks-kinpaku-vivid: oklch(87% 0.20 85);
  --ks-kinpaku-pale: oklch(86% 0.07 84);
  --ks-kinpaku-rich: oklch(77% 0.13 82);
  --ks-kinpaku-deep: oklch(61% 0.085 78);
  --ks-on-gold: oklch(14% 0.018 95);
  --ks-gold-line: var(--ks-kinpaku-rich);
  --ks-patina: oklch(70% 0.12 188);
  --ks-patina-pale: oklch(88% 0.05 188);
  --ks-patina-deep: oklch(34% 0.11 190);
  --ks-patina-ink: oklch(28% 0.10 190);

  /* Paper & Instrument Surfaces */
  --ks-paper: oklch(97.8% 0 0);
  --ks-paper-raised: oklch(99.5% 0 0);
  --ks-paper-deep: oklch(95% 0 0);
  --ks-gray: oklch(92% 0 0);
  --ks-gray-2: oklch(88% 0 0);

  --ks-instrument: oklch(24% 0 0);
  --ks-instrument-deep: oklch(17% 0 0);
  --ks-instrument-raised: oklch(31% 0 0);
  --ks-instrument-text: oklch(93% 0 0);
  --ks-instrument-muted: oklch(68% 0 0);
  --ks-instrument-rule: oklch(100% 0 0 / 0.12);
  --ks-instrument-edge: oklch(100% 0 0 / 0.30);

  /* Carbon Ink & Legibility (Strict WCAG AA >= 4.5:1) */
  --ks-ink: oklch(13% 0 0);
  --ks-text: oklch(22% 0 0);
  --ks-text-muted: oklch(46% 0 0);
  --ks-text-faint: oklch(51% 0 0);
  --ks-text-mute-deep: oklch(66% 0 0);
  --ks-rule: oklch(13% 0 0 / 0.08);
  --ks-edge: oklch(13% 0 0 / 0.45);

  --ks-focus-ring: var(--ks-patina-deep);
  --ks-link-on-paper: var(--ks-ink);
  --ks-link-on-paper-hover: var(--ks-ink);
  --ks-link-on-paper-line: oklch(13% 0 0 / 0.28);
  --ks-link-on-paper-line-hover: var(--ks-kinpaku);
  --ks-vermilion: oklch(52% 0.16 35);

  /* Controls & Measurements */
  --ks-radius-sm: 3px;
  --ks-radius-md: 8px;
  --ks-radius-pill: 999px;
  --ks-control-sm: 26px;
  --ks-control-md: 32px;
  --ks-control-lg: 44px;
  --ks-section-pad: clamp(72px, 8vw, 120px);
  --ks-max-w: 1320px;

  /* Haptic Depth & Recesses */
  --ks-lift-1: 0 1px 1px oklch(13% 0 0 / 0.05), 0 2px 3px oklch(13% 0 0 / 0.04), 0 6px 12px oklch(13% 0 0 / 0.05);
  --ks-lift-2: 0 1px 1px oklch(13% 0 0 / 0.04), 0 3px 5px oklch(13% 0 0 / 0.05), 0 12px 20px oklch(13% 0 0 / 0.06), 0 32px 48px oklch(13% 0 0 / 0.07);
  --ks-key-lift: 0 1px 2px oklch(0% 0 0 / 0.4);
  --ks-cap-lift: inset 0 1px 0 oklch(100% 0 0 / 0.9), 0 1px 0 oklch(13% 0 0 / 0.14), 0 2px 3px oklch(13% 0 0 / 0.08);
  --ks-cap-press: inset 0 1px 2px oklch(13% 0 0 / 0.14);
  --ks-track-recess: inset 0 1px 3px oklch(13% 0 0 / 0.16), inset 0 -1px 0 oklch(100% 0 0 / 0.7);
  --ks-led: 0 0 0 1px oklch(13% 0 0 / 0.12), 0 0 4px oklch(84% 0.19 80 / 0.6);
  --ks-indicator-glow: 0 0 0 1px oklch(0% 0 0 / 0.3), 0 0 4px oklch(84% 0.19 80 / 0.65);

  /* Typography Stack */
  --ks-font: "Albert Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --ks-font-display: "Albert Sans", sans-serif;
  --ks-font-wordmark: "Alumni Sans", "Albert Sans", sans-serif;
  --ks-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  /* Typographic Scales */
  --ks-type-display-size: clamp(2.8rem, 5.4vw, 4.8rem);
  --ks-type-headline-size: clamp(2.2rem, 3.4vw, 3.2rem);
  --ks-type-headline-weight: 300;
  --ks-type-headline-line: 1.05;
  --ks-type-subhead-size: 1.25rem;
  --ks-type-body-size: 1rem;
  --ks-type-ui-size: 0.875rem;
  --ks-type-label-size: 0.8125rem;
  --ks-type-micro-size: 0.75rem;

  --ks-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ks-quick: 0.12s;
  --ks-settle: 0.2s;

  --ks-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n' x='0' y='0'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Base Reset & Textures */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--ks-font);
  background-color: var(--ks-paper);
  color: var(--ks-text);
  line-height: 1.625;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
}

/* Subtle Material Grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.045;
  mix-blend-mode: multiply;
  background-image: var(--ks-grain);
  background-size: 160px 160px;
}

/* Browser Surfaces: Selection, Caret & Custom Scrollbar */
::selection {
  background-color: var(--ks-patina);
  color: var(--ks-paper-raised);
}

:focus-visible {
  outline: 2px solid var(--ks-focus-ring);
  outline-offset: 2px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--ks-paper-deep);
}
::-webkit-scrollbar-thumb {
  background: var(--ks-gray-2);
  border-radius: var(--ks-radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--ks-edge);
}

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

a {
  color: var(--ks-link-on-paper);
  text-decoration: underline 1px;
  text-decoration-color: var(--ks-link-on-paper-line);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--ks-quick) var(--ks-ease), color var(--ks-quick) var(--ks-ease);
}
a:hover {
  color: var(--ks-link-on-paper-hover);
  text-decoration-color: var(--ks-link-on-paper-line-hover);
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

/* Utility Containers */
.silk-container {
  width: 100%;
  max-width: var(--ks-max-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 56px);
  padding-right: clamp(20px, 4vw, 56px);
}

.section-padded {
  padding-top: var(--ks-section-pad);
  padding-bottom: var(--ks-section-pad);
  position: relative;
}

.section-padded + .section-padded {
  border-top: 1px solid var(--ks-rule);
}

.text-center {
  text-align: center;
}

.full-width {
  width: 100%;
}

/* Editorial Section Header */
.section-head {
  gap: 12px;
  margin-bottom: 48px;
  display: grid;
}
.section-head.text-center {
  justify-items: center;
}

.section-title {
  font-family: var(--ks-font-display);
  font-size: var(--ks-type-headline-size);
  font-weight: var(--ks-type-headline-weight);
  line-height: var(--ks-type-headline-line);
  color: var(--ks-ink);
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.section-subtitle {
  color: var(--ks-text);
  font-size: var(--ks-type-body-size);
  line-height: 1.65;
  max-width: 62ch;
  text-wrap: pretty;
}

/* Tags & Badges */
.ks-tag {
  min-height: 22px;
  color: var(--ks-ink);
  background: var(--ks-kinpaku);
  border-radius: var(--ks-radius-sm);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
  vertical-align: middle;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  font-weight: 600;
  line-height: normal;
  display: inline-flex;
}

.ks-tag.is-quiet {
  color: var(--ks-text-muted);
  background: var(--ks-gray);
}

.ks-tag.is-patina {
  color: var(--ks-paper-raised);
  background: var(--ks-patina-deep);
}

/* Tactile Buttons (Impeccable Arrow & Physics) */
.ks-btn {
  min-height: var(--ks-control-lg);
  border-radius: var(--ks-radius-sm);
  font-family: var(--ks-font);
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: background-color var(--ks-quick) var(--ks-ease),
              border-color var(--ks-quick) var(--ks-ease),
              color var(--ks-quick) var(--ks-ease),
              transform var(--ks-quick) var(--ks-ease);
  border: 1px solid transparent;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding: 0 22px;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  display: inline-flex;
  position: relative;
}

.ks-btn svg {
  flex: none;
  width: 16px;
  height: 8px;
  display: inline-block;
  overflow: visible;
}

.ks-btn.ks-btn-primary {
  color: var(--ks-paper-raised);
  background: var(--ks-ink);
  border-color: var(--ks-ink);
}
.ks-btn.ks-btn-primary svg {
  color: var(--ks-kinpaku);
}
.ks-btn.ks-btn-primary:hover {
  background: var(--ks-text);
  border-color: var(--ks-text);
  color: var(--ks-paper-raised);
}
.ks-btn.ks-btn-primary:active {
  background: oklch(8% 0 0);
  border-color: oklch(8% 0 0);
  transform: translateY(1px);
}

.ks-btn.ks-btn-secondary {
  color: var(--ks-ink);
  background: var(--ks-paper-raised);
  border-color: var(--ks-edge);
}
.ks-btn.ks-btn-secondary:hover {
  border-color: var(--ks-ink);
}
.ks-btn.ks-btn-secondary:active {
  background: var(--ks-gray);
  transform: translateY(1px);
}

.ks-btn.ks-btn-outline {
  color: var(--ks-ink);
  background: transparent;
  border-color: var(--ks-rule);
}
.ks-btn.ks-btn-outline:hover {
  border-color: var(--ks-ink);
  background: var(--ks-paper-raised);
}

.ks-btn.ks-btn-ghost {
  color: var(--ks-ink);
  background: transparent;
  border-color: transparent;
  padding: 0 12px;
}
.ks-btn.ks-btn-ghost:hover {
  color: var(--ks-patina-deep);
}

.ks-btn.ks-btn-lg {
  min-height: 48px;
  padding: 0 26px;
  font-size: 1rem;
}

/* Tactile Instrument Strip & Keycaps */
.ks-instrument-strip {
  background: var(--ks-gray);
  box-shadow: var(--ks-track-recess);
  border-radius: var(--ks-radius-pill);
  align-items: center;
  gap: 2px;
  padding: 3px;
  display: inline-flex;
  border: 1px solid transparent;
}

.ks-instrument-key {
  min-height: var(--ks-control-md);
  color: var(--ks-text-muted);
  border-radius: var(--ks-radius-pill);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  letter-spacing: 0.02em;
  text-transform: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--ks-quick) var(--ks-ease),
              background-color var(--ks-quick) var(--ks-ease),
              box-shadow var(--ks-quick) var(--ks-ease),
              transform var(--ks-quick) var(--ks-ease);
  background: transparent;
  border: 0;
  align-items: center;
  gap: 8px;
  padding: 0 14px 0 12px;
  line-height: 1;
  display: inline-flex;
}

.ks-instrument-key::before {
  content: "";
  background: var(--ks-gray-2);
  width: 6px;
  height: 6px;
  box-shadow: inset 0 1px 1px oklch(13% 0 0 / 0.18);
  border-radius: 50%;
  flex: none;
  transition: background-color var(--ks-quick) var(--ks-ease), box-shadow var(--ks-quick) var(--ks-ease);
}

.ks-instrument-key:hover,
.ks-instrument-key:focus-visible {
  color: var(--ks-ink);
}

.ks-instrument-key:active {
  box-shadow: var(--ks-cap-press);
  transform: translateY(1px);
}

.ks-instrument-key.is-active,
.ks-instrument-key[aria-selected="true"] {
  color: var(--ks-ink);
  background: var(--ks-paper-raised);
  box-shadow: var(--ks-cap-lift);
}

.ks-instrument-key.is-active::before,
.ks-instrument-key[aria-selected="true"]::before {
  background: var(--ks-patina);
  box-shadow: 0 0 0 1px oklch(13% 0 0 / 0.12), 0 0 4px color-mix(in oklch, var(--ks-patina) 60%, transparent);
}

/* ==========================================================================
   00. HEADER & ANNOUNCEMENT BAR
   ========================================================================== */
.silk-announcement {
  background: var(--ks-paper-deep);
  border-bottom: 1px solid var(--ks-rule);
  padding: 8px 0;
  font-size: var(--ks-type-label-size);
  color: var(--ks-text);
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.announcement-pill {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  text-transform: uppercase;
  background: var(--ks-kinpaku);
  color: var(--ks-ink);
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--ks-radius-sm);
  letter-spacing: 0.04em;
}

.announcement-text {
  color: var(--ks-text);
}

.announcement-link {
  font-weight: 600;
  color: var(--ks-ink);
}

/* Sticky Header */
.silk-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(97.8% 0 0 / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ks-rule);
  padding: 16px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ks-ink);
}

.brand-mark {
  color: var(--ks-ink);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
}

.brand-text {
  font-family: var(--ks-font-wordmark);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
}

.brand-tld {
  color: var(--ks-text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.brand-dev-badge {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  background: var(--ks-gray);
  color: var(--ks-text-muted);
  border-radius: var(--ks-radius-sm);
  padding: 2px 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Nav Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 32px);
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--ks-text-muted);
  text-decoration: none;
  transition: color var(--ks-quick) var(--ks-ease);
  position: relative;
}

.nav-link:hover {
  color: var(--ks-ink);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.location-pill {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  color: var(--ks-text);
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-pill);
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--ks-edge);
  border-radius: var(--ks-radius-sm);
  width: 36px;
  height: 36px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 0;
}
.mobile-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--ks-ink);
  transition: transform var(--ks-settle) var(--ks-ease);
}

/* Mobile Nav Panel */
.mobile-panel {
  display: none;
}
.mobile-panel:not([hidden]) {
  display: block;
  background: var(--ks-paper-raised);
  border-top: 1px solid var(--ks-rule);
  padding: 20px 24px;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mobile-link {
  font-size: 1.05rem;
  color: var(--ks-ink);
  text-decoration: none;
  padding: 6px 0;
}
.mobile-cta-row {
  margin-top: 12px;
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }
  .mobile-toggle {
    display: inline-flex;
  }
}

/* ==========================================================================
   01. HERO SECTION & PROOF STAGE
   ========================================================================== */
.hero-section {
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: var(--ks-section-pad);
  border-bottom: 1px solid var(--ks-rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.ks-instrument-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-pill);
  padding: 4px 12px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  color: var(--ks-text);
  box-shadow: var(--ks-lift-1);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ks-patina);
  box-shadow: 0 0 0 1px oklch(13% 0 0 / 0.12), 0 0 4px var(--ks-patina);
}

.hero-headline {
  font-family: var(--ks-font-display);
  font-size: clamp(1.75rem, 2.7vw, 2.65rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ks-ink);
  text-wrap: balance;
}

.hero-headline .headline-serif {
  font-style: italic;
  font-weight: 400;
  color: var(--ks-ink);
}

.nowrap {
  white-space: nowrap;
}

.hero-sub {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--ks-text);
  max-width: 52ch;
  text-wrap: pretty;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-trust-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--ks-rule);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.trust-sep {
  color: var(--ks-edge);
}

/* --- THE HERO SHOWCASE: PRISTINE CRAFT LETTER & INSTRUMENT --- */
.hero-showcase {
  width: 100%;
}

.showcase-card {
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-md);
  padding: clamp(20px, 3vw, 28px);
  box-shadow: var(--ks-cap-lift), var(--ks-lift-2);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.showcase-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.showcase-status-tag {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.hero-letter-sheet {
  background: var(--ks-paper);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  padding: clamp(20px, 3vw, 26px);
  box-shadow: var(--ks-track-recess);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.letter-sheet-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--ks-rule);
  padding-bottom: 12px;
  gap: 12px;
}

.letter-sender {
  display: flex;
  align-items: center;
  gap: 10px;
}

.letter-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ks-instrument);
  color: var(--ks-instrument-text);
  font-family: var(--ks-mono);
  font-size: 12px;
  font-weight: 600;
  display: grid;
  place-items: center;
}

.letter-sender-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.letter-sender-info strong {
  font-size: 0.9375rem;
  color: var(--ks-ink);
}
.letter-sender-info span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.letter-reply-badge {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-patina-ink);
  background: var(--ks-patina-pale);
  padding: 3px 8px;
  border-radius: var(--ks-radius-pill);
  font-weight: 600;
}

.letter-sheet-title {
  font-family: var(--ks-font);
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  font-weight: 600;
  color: var(--ks-ink);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.letter-sheet-body {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ks-text);
}

.letter-sheet-signoff {
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-top: 1px solid var(--ks-rule);
  padding-top: 10px;
}
.letter-sheet-signoff strong {
  font-size: 0.875rem;
  color: var(--ks-ink);
}
.letter-sheet-signoff span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.showcase-card-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
  border-top: 1px solid var(--ks-rule);
  padding-top: 12px;
  flex-wrap: wrap;
}
.showcase-card-footer b {
  color: var(--ks-ink);
}
.showcase-sep {
  color: var(--ks-edge);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   02. BENTO SLAB: "MIKSI SILKMAIL"
   A seamless 1px hairline matrix instead of generic floating cards
   ========================================================================== */
.ks-bento {
  background: var(--ks-rule);
  border-top: 1px solid var(--ks-rule);
  border-bottom: 1px solid var(--ks-rule);
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1px;
}

.ks-bento-tile {
  background: var(--ks-paper);
  padding: clamp(28px, 4vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.ks-bento-tile--span-6 {
  grid-column: span 6;
}
.ks-bento-tile--span-12 {
  grid-column: span 12;
}

.bento-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ks-bento-tile h3 {
  font-family: var(--ks-font);
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 500;
  color: var(--ks-ink);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.bento-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ks-text);
  max-width: 55ch;
}

.bento-contrast-box {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--ks-rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  font-size: 0.875rem;
}

.contrast-side {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contrast-label {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contrast-side.is-old .contrast-label {
  color: var(--ks-vermilion);
}
.contrast-side.is-new .contrast-label {
  color: var(--ks-patina-deep);
}
.contrast-text {
  color: var(--ks-text);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .ks-bento-tile--span-6 {
    grid-column: span 12;
  }
  .bento-contrast-box {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   03. INTERACTIVE CONSOLE / SIMULATOR
   Braun-style Dieter Rams Hardware Dispatch Console
   ========================================================================== */
.command-console {
  background: linear-gradient(180deg, color-mix(in oklch, var(--ks-paper-raised), var(--ks-paper) 30%), color-mix(in oklch, var(--ks-paper), var(--ks-paper-deep) 50%));
  box-shadow: var(--ks-cap-lift), 0 18px 40px oklch(13% 0 0 / 0.06);
  padding: clamp(24px, 4vw, 40px);
  border-radius: 18px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--ks-rule);
}

.console-top-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 36px;
  align-items: stretch;
}

.console-controls {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.console-header-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.console-title {
  font-family: var(--ks-font);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ks-ink);
  line-height: 1.2;
}
.console-subtitle {
  font-size: 0.9375rem;
  color: var(--ks-text-muted);
}

/* Hardware Deck & Keycaps */
.cc-deck-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.cc-deck-label {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ks-text-muted);
}

.cc-keys-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cc-key {
  background: var(--ks-paper-raised);
  min-height: 40px;
  box-shadow: var(--ks-cap-lift);
  cursor: pointer;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  letter-spacing: 0.02em;
  color: var(--ks-text);
  border: 0;
  border-radius: 6px;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  transition: transform 80ms, box-shadow 80ms, color 80ms;
  display: inline-flex;
}

.cc-led {
  background: var(--ks-gray-2);
  border-radius: 50%;
  width: 7px;
  height: 7px;
  transition: background 0.2s, box-shadow 0.2s;
  box-shadow: inset 0 1px 1px oklch(13% 0 0 / 0.18);
  flex: none;
}

.cc-key:active,
.cc-key.is-active {
  box-shadow: var(--ks-cap-press);
  transform: translateY(1px);
  color: var(--ks-ink);
}

.cc-key.is-active .cc-led {
  background: var(--ks-patina);
  box-shadow: var(--ks-led);
}

/* Recessed Hardware Inputs */
.console-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-label-size);
  color: var(--ks-text-muted);
}

.ks-input, .ks-textarea {
  background: var(--ks-paper-deep);
  box-shadow: var(--ks-track-recess);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  padding: 10px 14px;
  font-size: 0.9375rem;
  color: var(--ks-ink);
  font-family: var(--ks-font);
  transition: border-color var(--ks-quick) var(--ks-ease);
  width: 100%;
}

.ks-input:focus, .ks-textarea:focus {
  border-color: var(--ks-patina-deep);
  outline: none;
}

.ks-textarea {
  resize: vertical;
  line-height: 1.55;
}

.readout-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
  padding-top: 8px;
  border-top: 1px solid var(--ks-rule);
}
.readout-strip strong {
  color: var(--ks-ink);
}

/* Right Stage: Tactile Preview Well */
.console-stage {
  background: var(--ks-paper-deep);
  box-shadow: var(--ks-track-recess);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.stage-view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ks-rule);
  padding-bottom: 12px;
}

.stage-view-title {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stage-view-pill {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-patina-ink);
  background: var(--ks-patina-pale);
  padding: 2px 8px;
  border-radius: var(--ks-radius-pill);
  font-weight: 600;
}

/* Phone Screen Mockup */
.device-phone-frame {
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: 24px;
  padding: 20px 18px;
  box-shadow: var(--ks-lift-2);
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 380px;
  margin: 0 auto;
  width: 100%;
}

.phone-speaker-bar {
  width: 48px;
  height: 4px;
  background: var(--ks-gray-2);
  border-radius: var(--ks-radius-pill);
  margin: 0 auto 4px;
}

.phone-header-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--ks-rule);
  padding-bottom: 12px;
}

.sender-badge {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sender-coin {
  width: 32px;
  height: 32px;
  background: var(--ks-instrument);
  color: var(--ks-instrument-text);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--ks-mono);
  font-size: 12px;
  font-weight: 600;
}

.sender-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.sender-info strong {
  font-size: 0.875rem;
  color: var(--ks-ink);
}
.sender-info span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.phone-time-stamp {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.phone-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.phone-subject-line {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ks-ink);
  line-height: 1.3;
}

.phone-message-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ks-text);
}

.phone-cta-pill {
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
  padding: 10px 14px;
  border-radius: var(--ks-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  text-align: center;
  margin-top: 6px;
}

.phone-legal {
  font-size: 0.75rem;
  color: var(--ks-text-muted);
  border-top: 1px solid var(--ks-rule);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

@media (max-width: 900px) {
  .console-top-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   04. TISKIKITTI (PHYSICAL COUNTERTOP STAND)
   Industrial design & architectural material showcase
   ========================================================================== */
.kit-section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}

.kit-copy-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.kit-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 12px 0;
}

.kit-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.kit-bullet {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ks-patina-pale);
  color: var(--ks-patina-deep);
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: bold;
  flex: none;
  margin-top: 2px;
}

.kit-feature-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kit-feature-item strong {
  font-size: 0.95rem;
  color: var(--ks-ink);
}
.kit-feature-item span {
  font-size: 0.875rem;
  color: var(--ks-text);
  line-height: 1.5;
}

/* Physical Stand Render Blueprint */
.kit-blueprint-stage {
  background: var(--ks-paper-deep);
  border: 1px solid var(--ks-rule);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--ks-lift-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: relative;
}

.stand-model-wrap {
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.acrylic-plaque {
  width: 240px;
  height: 310px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.82));
  border: 1px solid var(--ks-rule);
  box-shadow: var(--ks-lift-2);
  border-radius: 6px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  position: relative;
  z-index: 2;
}

.acrylic-plaque-logo {
  color: var(--ks-ink);
}

.acrylic-plaque-title {
  font-family: var(--ks-font);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ks-ink);
  line-height: 1.2;
}

.acrylic-plaque-desc {
  font-size: 0.8125rem;
  color: var(--ks-text);
  line-height: 1.4;
}

.stand-qr-container {
  margin: 6px 0;
  padding: 10px;
  background: #ffffff;
  border: 1px solid var(--ks-rule);
  border-radius: 4px;
}

.stand-wood-block {
  width: 280px;
  height: 24px;
  background: linear-gradient(180deg, #d8bc98, #b89972);
  border-radius: 4px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  margin-top: -6px;
  z-index: 1;
  position: relative;
}

.blueprint-specs-row {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

@media (max-width: 900px) {
  .kit-section-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   05. OPEN ROADMAP
   Tactile Horizontal Timeline with Hardware Status LEDs
   ========================================================================== */
.roadmap-timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ks-rule);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  overflow: hidden;
}

.roadmap-cell {
  background: var(--ks-paper-raised);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.roadmap-cell-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.roadmap-quarter {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
  letter-spacing: 0.08em;
}

.roadmap-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
}

.roadmap-cell.is-done .roadmap-indicator {
  color: var(--ks-patina-deep);
}
.roadmap-cell.is-done .roadmap-indicator::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ks-patina);
  box-shadow: 0 0 0 1px oklch(13% 0 0 / 0.12), 0 0 4px var(--ks-patina);
}

.roadmap-cell.is-active .roadmap-indicator {
  color: var(--ks-ink);
  font-weight: 600;
}
.roadmap-cell.is-active .roadmap-indicator::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ks-kinpaku);
  box-shadow: var(--ks-led);
}

.roadmap-cell.is-upcoming .roadmap-indicator {
  color: var(--ks-text-muted);
}
.roadmap-cell.is-upcoming .roadmap-indicator::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ks-gray-2);
}

.roadmap-item-title {
  font-family: var(--ks-font);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ks-ink);
  line-height: 1.3;
  display: block;
}

.roadmap-cell p {
  font-size: 0.875rem;
  color: var(--ks-text);
  line-height: 1.55;
}

@media (max-width: 900px) {
  .roadmap-timeline-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   06. GENUINE QUOTES & INTERVIEW EXCERPTS
   ========================================================================== */
.quotes-deck {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quote-plinth {
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  padding: 28px;
  box-shadow: var(--ks-lift-1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.quote-body {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ks-text);
  font-style: italic;
}

.quote-author-row {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--ks-rule);
  padding-top: 14px;
}

.author-coin {
  width: 32px;
  height: 32px;
  background: var(--ks-gray);
  color: var(--ks-ink);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--ks-mono);
  font-size: 12px;
  font-weight: 600;
}

.author-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.author-details strong {
  font-size: 0.875rem;
  color: var(--ks-ink);
}
.author-details span {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

@media (max-width: 900px) {
  .quotes-deck {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   07. HONEST PRICING TIERS & PHYSICAL SWITCH
   ========================================================================== */
.pricing-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 24px;
}

.billing-switch-label {
  font-size: 0.9375rem;
  color: var(--ks-text-muted);
  cursor: pointer;
}
.billing-switch-label.is-active {
  color: var(--ks-ink);
  font-weight: 600;
}

/* Tactile Switch Knob */
.ks-switch {
  cursor: pointer;
  background: transparent;
  border: 0;
  align-items: center;
  gap: 10px;
  padding: 0;
  display: inline-flex;
}

.ks-switch-track {
  border-radius: var(--ks-radius-pill);
  background: var(--ks-gray-2);
  width: 44px;
  height: 24px;
  box-shadow: var(--ks-track-recess);
  transition: background-color var(--ks-quick) var(--ks-ease);
  position: relative;
}

.ks-switch-knob {
  background: var(--ks-paper-raised);
  width: 18px;
  height: 18px;
  box-shadow: var(--ks-cap-lift);
  border-radius: 50%;
  transition: transform 0.22s cubic-bezier(0.3, 0.7, 0.2, 1);
  position: absolute;
  top: 3px;
  left: 3px;
}

.ks-switch-knob::after {
  content: "";
  background: var(--ks-gray-2);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: inset 0 1px 1px oklch(13% 0 0 / 0.18);
  transition: background-color var(--ks-quick) var(--ks-ease);
}

.ks-switch[aria-pressed="true"] .ks-switch-knob {
  transform: translate(20px);
}

.ks-switch[aria-pressed="true"] .ks-switch-knob::after {
  background: var(--ks-patina);
  box-shadow: var(--ks-led);
}

.pricing-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.pricing-plinth {
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  padding: 32px;
  box-shadow: var(--ks-lift-1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.pricing-plinth.is-featured {
  border-color: var(--ks-ink);
  box-shadow: var(--ks-lift-2);
}

.featured-pill {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--ks-ink);
  color: var(--ks-paper-raised);
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--ks-radius-sm);
}

.tier-header {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tier-name {
  font-family: var(--ks-font);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ks-ink);
}

.tier-desc {
  font-size: 0.875rem;
  color: var(--ks-text-muted);
}

.tier-cost-block {
  margin-top: 10px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.tier-amount {
  font-family: var(--ks-font);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--ks-ink);
  line-height: 1;
}

.tier-cycle {
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
  color: var(--ks-text-muted);
}

.tier-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--ks-rule);
  padding-top: 20px;
  font-size: 0.875rem;
  color: var(--ks-text);
}
.tier-features-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

@media (max-width: 900px) {
  .pricing-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   08. FOOTER & MODAL
   ========================================================================== */
.silk-footer {
  background: var(--ks-paper-deep);
  border-top: 1px solid var(--ks-rule);
  padding: 64px 0 40px;
  font-size: 0.875rem;
  color: var(--ks-text-muted);
  margin-top: auto;
}

.footer-inner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--ks-rule);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav-col strong {
  color: var(--ks-ink);
  font-size: 0.9375rem;
}
.footer-nav-col a {
  color: var(--ks-text-muted);
  text-decoration: none;
}
.footer-nav-col a:hover {
  color: var(--ks-ink);
}

.footer-sub-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 24px;
  font-family: var(--ks-mono);
  font-size: var(--ks-type-micro-size);
}

@media (max-width: 760px) {
  .footer-inner-grid {
    grid-template-columns: 1fr;
  }
  .footer-sub-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Tactile Modal */
.silk-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: oklch(13% 0 0 / 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ks-settle) var(--ks-ease);
}

.silk-modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.silk-modal-plinth {
  background: var(--ks-paper-raised);
  border: 1px solid var(--ks-rule);
  border-radius: var(--ks-radius-sm);
  max-width: 480px;
  width: 100%;
  padding: 36px;
  box-shadow: var(--ks-lift-2);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  transform: translateY(12px);
  transition: transform var(--ks-settle) var(--ks-ease);
}

.silk-modal-backdrop.is-open .silk-modal-plinth {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--ks-text-muted);
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 4px;
}
.modal-close-btn:hover {
  color: var(--ks-ink);
  background: var(--ks-gray);
}