/* YUKKAS TOV — yks- prefix on every class. Charcoal/amber/concrete industrial palette. */

@font-face {
  font-family: 'Manrope';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/Manrope-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Manrope';
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/Manrope-SemiBold.woff2') format('woff2');
}
@font-face {
  font-family: 'SpaceMono';
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  src: url('../assets/fonts/SpaceMono-Regular.woff2') format('woff2');
}

:root {
  --yks-base: #1C2025;
  --yks-amber: #FFB200;
  --yks-grey: #9BA1A8;
  --yks-canvas: #F2EDE4;
  --yks-base-soft: #262A30;
  --yks-base-deeper: #14171B;
  --yks-line: rgba(155, 161, 168, 0.18);
  --yks-rail-width: 76px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--yks-canvas);
  color: var(--yks-base);
  font-family: 'Manrope', system-ui, -apple-system, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--yks-base); text-decoration: none; }
a:hover { color: var(--yks-amber); }

/* ============ SIDE RAIL NAV (distinguishing pattern) ============ */
.yks-rail {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--yks-rail-width);
  height: 100vh;
  background: var(--yks-base);
  color: var(--yks-canvas);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 22px 0;
  z-index: 30;
  border-right: 1px solid var(--yks-base-soft);
}

.yks-rail-mark {
  width: 36px;
  height: 36px;
  background: var(--yks-amber);
  position: relative;
}
.yks-rail-mark::after {
  content: 'Y';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  color: var(--yks-base);
  font-size: 22px;
}

.yks-rail-links {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 38px;
  flex: 1;
}

.yks-rail-link {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--yks-grey);
  text-transform: uppercase;
  padding: 4px 2px;
  border-left: 2px solid transparent;
}
.yks-rail-link.yks-rail-link-active {
  color: var(--yks-amber);
  border-left-color: var(--yks-amber);
}
.yks-rail-link:hover { color: var(--yks-canvas); }

.yks-rail-foot {
  font-family: 'SpaceMono', monospace;
  font-size: 9px;
  color: var(--yks-grey);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  letter-spacing: 0.24em;
}

/* ============ TOP BAR (minimal) ============ */
.yks-topbar {
  position: fixed;
  top: 0;
  left: var(--yks-rail-width);
  right: 0;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  background: var(--yks-canvas);
  border-bottom: 1px solid var(--yks-line);
  z-index: 25;
}
.yks-topbar-name {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--yks-base);
}
.yks-topbar-meta {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: var(--yks-grey);
  letter-spacing: 0.06em;
}

/* ============ PAGE WRAPPER ============ */
.yks-page {
  margin-left: var(--yks-rail-width);
  padding-top: 64px;
}

/* ============ BLUEPRINT HERO ============ */
.yks-blueprint {
  position: relative;
  min-height: 540px;
  background: var(--yks-base);
  color: var(--yks-canvas);
  overflow: hidden;
  padding: 80px 56px 64px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* CSS-drawn blueprint grid: 1px concrete grey lines, every 5th amber */
.yks-blueprint::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(155, 161, 168, 0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(155, 161, 168, 0.10) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 178, 0, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 178, 0, 0.16) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  background-position: 0 0;
  pointer-events: none;
}

.yks-blueprint-inner {
  position: relative;
  z-index: 2;
  max-width: 1080px;
}

.yks-blueprint-tag {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--yks-amber);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--yks-amber);
}

.yks-hero-headline {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 32px 0;
  color: var(--yks-canvas);
  max-width: 18ch;
}
.yks-hero-headline .yks-amber-word { color: var(--yks-amber); }

.yks-hero-lede {
  font-family: 'Manrope', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--yks-grey);
  max-width: 56ch;
  margin: 0 0 40px 0;
}

/* counter widget */
.yks-counter {
  display: inline-flex;
  align-items: baseline;
  gap: 18px;
  padding: 18px 26px;
  background: var(--yks-base-deeper);
  border-left: 4px solid var(--yks-amber);
  font-family: 'SpaceMono', monospace;
}
.yks-counter-label {
  font-size: 11px;
  color: var(--yks-grey);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.yks-counter-value {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 44px;
  color: var(--yks-amber);
  letter-spacing: -0.02em;
}
.yks-counter-suffix {
  font-size: 12px;
  color: var(--yks-grey);
}

/* ============ SECTION HEAD ============ */
.yks-section {
  padding: 88px 56px;
  max-width: 1280px;
}

.yks-section-head {
  display: flex;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--yks-line);
  padding-bottom: 24px;
}
.yks-section-no {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: var(--yks-amber);
  letter-spacing: 0.2em;
  padding-bottom: 4px;
}
.yks-section-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: clamp(24px, 3.2vw, 36px);
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--yks-base);
}
.yks-section-desc {
  font-size: 15px;
  color: #4a4f56;
  margin-left: auto;
  max-width: 36ch;
  padding-bottom: 6px;
}

/* ============ SERVICE BLOCKS ============ */
.yks-services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--yks-line);
  border: 1px solid var(--yks-line);
}
.yks-service {
  background: var(--yks-canvas);
  padding: 36px 32px;
  position: relative;
}
.yks-service-no {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: var(--yks-amber);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
}
.yks-service-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 20px;
  margin: 0 0 12px 0;
}
.yks-service-body {
  font-size: 14px;
  color: #4a4f56;
  line-height: 1.6;
  margin: 0;
}

/* ============ PROJECT BLOCKS (BLOCK GRID) ============ */
.yks-block-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.yks-project-block {
  background: var(--yks-base);
  color: var(--yks-canvas);
  padding: 28px 24px 0 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 280px;
  border-top: 4px solid transparent;
  border-left: 4px solid transparent;
}
/* the top-left amber corner mark — flat rectangle "block" cue */
.yks-project-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 4px;
  background: var(--yks-amber);
}
.yks-project-block::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 56px;
  background: var(--yks-amber);
}

.yks-project-sector {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: var(--yks-amber);
  letter-spacing: 0.18em;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.yks-project-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 18px;
  margin: 0 0 10px 0;
  color: var(--yks-canvas);
}
.yks-project-body {
  font-size: 14px;
  color: var(--yks-grey);
  line-height: 1.6;
  margin: 0 0 24px 0;
  flex: 1;
}

/* monospace tech-spec strip at bottom */
.yks-spec-strip {
  margin: 0 -24px;
  padding: 14px 24px;
  background: var(--yks-base-deeper);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.yks-spec-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.yks-spec-key {
  color: var(--yks-grey);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.yks-spec-val {
  color: var(--yks-canvas);
  font-size: 13px;
}

/* ============ CAPABILITY ROW ============ */
.yks-cap-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--yks-line);
}
.yks-cap-code {
  font-family: 'SpaceMono', monospace;
  font-size: 12px;
  color: var(--yks-amber);
  letter-spacing: 0.18em;
}
.yks-cap-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 22px;
  margin: 8px 0 14px 0;
}
.yks-cap-body p {
  font-size: 15px;
  color: #3d4147;
  line-height: 1.7;
  margin: 0 0 12px 0;
}

/* ============ CONTACT ============ */
.yks-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.yks-contact-card {
  background: var(--yks-base);
  color: var(--yks-canvas);
  padding: 32px 28px;
  position: relative;
}
.yks-contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 4px;
  background: var(--yks-amber);
}
.yks-contact-label {
  font-family: 'SpaceMono', monospace;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--yks-amber);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.yks-contact-value {
  font-size: 16px;
  color: var(--yks-canvas);
  line-height: 1.6;
  margin: 0 0 22px 0;
}

.yks-form {
  background: #fff;
  border: 1px solid var(--yks-line);
  padding: 28px 24px;
}
.yks-form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}
.yks-form-label {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--yks-base);
  text-transform: uppercase;
}
.yks-form-input,
.yks-form-textarea,
.yks-form-select {
  font-family: 'Manrope', sans-serif;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--yks-grey);
  background: var(--yks-canvas);
  color: var(--yks-base);
}
.yks-form-input:focus,
.yks-form-textarea:focus,
.yks-form-select:focus {
  outline: 2px solid var(--yks-amber);
  outline-offset: -2px;
}
.yks-form-textarea { min-height: 120px; resize: vertical; }

.yks-form-submit {
  background: var(--yks-base);
  color: var(--yks-amber);
  border: none;
  padding: 14px 28px;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  cursor: pointer;
  text-transform: uppercase;
}
.yks-form-submit:hover { background: var(--yks-amber); color: var(--yks-base); }

.yks-form-note {
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: #6b6f76;
  margin-top: 14px;
  line-height: 1.5;
}

/* ============ FOOTER ============ */
.yks-footer {
  background: var(--yks-base);
  color: var(--yks-grey);
  padding: 48px 56px 36px 56px;
  margin-top: 80px;
}
.yks-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1280px;
}
.yks-footer-block-label {
  font-family: 'SpaceMono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--yks-amber);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.yks-footer-text {
  font-size: 14px;
  color: var(--yks-canvas);
  line-height: 1.6;
  margin: 0;
}
.yks-footer-text strong { color: var(--yks-canvas); font-weight: 600; }
.yks-footer-bottom {
  border-top: 1px solid var(--yks-base-soft);
  padding-top: 24px;
  margin-top: 36px;
  font-family: 'SpaceMono', monospace;
  font-size: 11px;
  color: var(--yks-grey);
  letter-spacing: 0.08em;
}

/* ============ PRIVACY PAGE ============ */
.yks-pp {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 32px;
  background: #fff;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yks-base);
}
.yks-pp h1 {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 28px;
  margin: 0 0 8px 0;
  letter-spacing: -0.01em;
}
.yks-pp-meta {
  font-family: 'SpaceMono', monospace;
  font-size: 12px;
  color: #6b6f76;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}
.yks-pp h2 {
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  font-size: 17px;
  margin: 32px 0 10px 0;
  color: var(--yks-base);
}
.yks-pp p { margin: 0 0 14px 0; }
.yks-pp a { color: var(--yks-base); border-bottom: 1px solid var(--yks-amber); }
.yks-pp a:hover { color: var(--yks-amber); }

/* ============ RESPONSIVE ============ */
@media (min-width: 720px) {
  .yks-services { grid-template-columns: repeat(2, 1fr); }
  .yks-block-grid { grid-template-columns: repeat(2, 1fr); }
  .yks-footer-grid { grid-template-columns: repeat(3, 1fr); }
  .yks-contact-grid { grid-template-columns: 1fr 1.2fr; }
  .yks-cap-row { grid-template-columns: 160px 1fr; gap: 48px; align-items: start; }
}

@media (min-width: 1024px) {
  .yks-services { grid-template-columns: repeat(4, 1fr); }
  .yks-block-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  :root { --yks-rail-width: 56px; }
  .yks-blueprint { padding: 64px 24px 48px 24px; min-height: 460px; }
  .yks-section { padding: 56px 24px; }
  .yks-section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .yks-section-desc { margin-left: 0; }
  .yks-footer { padding: 36px 24px; }
  .yks-rail-foot { display: none; }
  .yks-topbar { padding: 0 18px; }
  .yks-topbar-meta { display: none; }
}

/* ============ DARK MODE ============ */
@media (prefers-color-scheme: dark) {
  :root {
    --yks-canvas: #14171B;
    --yks-base: #F2EDE4;
    --yks-base-soft: #1C2025;
    --yks-base-deeper: #0D0F12;
    --yks-line: rgba(155, 161, 168, 0.22);
  }
  body { background: var(--yks-canvas); color: var(--yks-base); }
  .yks-topbar { background: var(--yks-canvas); }
  .yks-service { background: var(--yks-base-soft); color: var(--yks-base); }
  .yks-service-body { color: var(--yks-grey); }
  .yks-form { background: var(--yks-base-soft); border-color: var(--yks-line); }
  .yks-form-input, .yks-form-textarea, .yks-form-select {
    background: var(--yks-canvas);
    color: var(--yks-base);
    border-color: rgba(155, 161, 168, 0.4);
  }
  .yks-pp { background: var(--yks-base-soft); color: var(--yks-base); }
  .yks-section-desc { color: var(--yks-grey); }
  .yks-cap-body p { color: var(--yks-grey); }
}