/* =========================================================================
   Ayfa Yapı — Design System
   A construction/blueprint vernacular: warm paper + tar charcoal, copper
   accents, mono "dimension" labels, hairline technical-drawing grids.
   Hand-written CSS, no build step, no framework.
   ========================================================================= */

/* ---------------------------------------------------------------------
   1. Tokens
   --------------------------------------------------------------------- */
:root {
  --color-zift: #1a1815;
  --color-zift-soft: #242019;
  --color-kagit: #f3eee4;
  --color-kagit-soft: #eae3d3;
  --color-bakir: #b8703e;
  --color-pas: #7a4526;
  --color-harc: #8a8175;
  --color-kirec: #e7e0d1;

  --color-bakir-rgb: 184, 112, 62;
  --color-zift-rgb: 26, 24, 21;
  --color-kagit-rgb: 243, 238, 228;

  --font-display: 'Archivo', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --container-w: 1280px;
  --space-section: clamp(3.5rem, 6vw, 7rem);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------------------------------------------------------------------
   2. Reset & base
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-kagit);
  color: var(--color-zift);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

::selection { background: var(--color-bakir); color: var(--color-kagit); }

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

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

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

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

/* ---------------------------------------------------------------------
   3. Layout helpers
   --------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

@media (min-width: 768px) {
  .container { padding-inline: 2rem; }
}

.section { padding-block: var(--space-section); }
.section-dark { background: var(--color-zift); color: var(--color-kagit); }
.section-dark-soft { background: var(--color-zift-soft); color: var(--color-kagit); }
.section-soft { background: var(--color-kagit-soft); }

main { display: block; }

/* ---------------------------------------------------------------------
   4. Typography utilities
   --------------------------------------------------------------------- */
.kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-bakir);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.kicker::before {
  content: '';
  width: 1.5em;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.mono { font-family: var(--font-mono); }

.h-display {
  font-family: var(--font-display);
  font-weight: 800;
}

.text-muted { color: var(--color-harc); }
.section-dark .text-muted,
.section-dark-soft .text-muted { color: rgba(var(--color-kagit-rgb), 0.62); }

/* ---------------------------------------------------------------------
   5. Signature motifs — dimension lines, corner frames, blueprint grid
   --------------------------------------------------------------------- */

/* .dim-line — architectural dimension callout: a hairline through the
   vertical middle of the element, evoking a drawing's dimension line. */
.dim-line { position: relative; }
.dim-line::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(var(--color-bakir-rgb), 0.55);
  pointer-events: none;
}

.dim-line-top { position: relative; }
.dim-line-top::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: rgba(var(--color-bakir-rgb), 0.55);
  pointer-events: none;
}

/* .corner-frame — technical-drawing registration brackets that appear on
   hover/focus, top-left + bottom-right L-shapes. */
.corner-frame { position: relative; }
.corner-frame::before,
.corner-frame::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  opacity: 0;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  pointer-events: none;
  z-index: 2;
}
.corner-frame::before {
  top: 8px;
  left: 8px;
  border-top: 2px solid var(--color-bakir);
  border-left: 2px solid var(--color-bakir);
  transform: translate(6px, 6px);
}
.corner-frame::after {
  bottom: 8px;
  right: 8px;
  border-bottom: 2px solid var(--color-bakir);
  border-right: 2px solid var(--color-bakir);
  transform: translate(-6px, -6px);
}
.corner-frame:hover::before,
.corner-frame:focus-within::before,
.corner-frame:hover::after,
.corner-frame:focus-within::after {
  opacity: 1;
  transform: translate(0, 0);
}

/* .grid-blueprint — 1px-gap hairline grid, the "technical drawing" motif
   used for card layouts. */
.grid-blueprint {
  display: grid;
  gap: 1px;
  background: rgba(var(--color-zift-rgb), 0.1);
  border: 1px solid rgba(var(--color-zift-rgb), 0.1);
  overflow: hidden;
}
.grid-blueprint > * { background: var(--color-kagit); }
.section-dark .grid-blueprint,
.section-dark-soft .grid-blueprint {
  background: rgba(var(--color-kagit-rgb), 0.12);
  border-color: rgba(var(--color-kagit-rgb), 0.12);
}
.section-dark .grid-blueprint > *,
.section-dark-soft .grid-blueprint > * {
  background: var(--color-zift-soft);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (min-width: 768px) {
  .md\:grid-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------------------------------------------------------------------
   6. Focus / accessibility
   --------------------------------------------------------------------- */
.focus-ring { outline: none; }
.focus-ring:focus-visible {
  outline: 2px solid var(--color-bakir);
  outline-offset: 3px;
  border-radius: 2px;
}

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-bakir);
  outline-offset: 3px;
}

/* ---------------------------------------------------------------------
   7. Forms
   --------------------------------------------------------------------- */
.input {
  width: 100%;
  border: 1px solid rgba(var(--color-zift-rgb), 0.15);
  background: var(--color-kagit);
  padding: 0.7rem 0.9rem;
  font-size: 0.9375rem;
  color: var(--color-zift);
  transition: border-color 0.2s var(--ease);
}
.input:focus { border-color: var(--color-bakir); outline: none; }
.input::placeholder { color: var(--color-harc); }
textarea.input { resize: vertical; min-height: 8rem; }

.label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.6875rem;
  color: var(--color-harc);
  margin-bottom: 0.4rem;
}

/* ---------------------------------------------------------------------
   8. Buttons
   --------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.95rem 1.75rem;
  border: 1px solid transparent;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-bakir);
  color: var(--color-kagit);
  border-color: var(--color-bakir);
}
.btn-primary:hover { background: var(--color-pas); border-color: var(--color-pas); }

.btn-ghost-dark {
  background: transparent;
  color: var(--color-kagit);
  border-color: rgba(var(--color-kagit-rgb), 0.4);
}
.btn-ghost-dark:hover {
  background: var(--color-kagit);
  color: var(--color-zift);
  border-color: var(--color-kagit);
}

.btn-ghost-light {
  background: transparent;
  color: var(--color-zift);
  border-color: rgba(var(--color-zift-rgb), 0.3);
}
.btn-ghost-light:hover {
  background: var(--color-zift);
  color: var(--color-kagit);
  border-color: var(--color-zift);
}

.btn-sm { padding: 0.65rem 1.25rem; font-size: 0.75rem; }
.btn-block { width: 100%; }

/* ---------------------------------------------------------------------
   9. Header / nav
   --------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(var(--color-zift-rgb), 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(var(--color-kagit-rgb), 0.1);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4.5rem;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-kagit);
}
.site-logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: var(--color-bakir);
  color: var(--color-zift);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.05rem;
  flex: none;
}
.site-logo__text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.site-logo__text small {
  display: block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-harc);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 2rem;
}
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(var(--color-kagit-rgb), 0.75);
  transition: color 0.2s var(--ease);
  position: relative;
  padding-block: 0.3rem;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--color-kagit); }
.site-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--color-bakir);
}

.site-header__actions {
  display: none;
  align-items: center;
  gap: 1.5rem;
}
.site-header__phone {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-kagit);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.site-header__phone svg { width: 1rem; height: 1rem; color: var(--color-bakir); }

.hamburger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-kagit);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
body.nav-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .hamburger span:nth-child(2) { opacity: 0; }
body.nav-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-zift);
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}
body.nav-open .mobile-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mobile-nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
  flex: none;
}
.mobile-nav__close {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-kagit);
}
.mobile-nav__close svg { width: 1.5rem; height: 1.5rem; }
.mobile-nav__links {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
}
.mobile-nav__links a {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--color-kagit);
  padding-block: 0.6rem;
  border-bottom: 1px solid rgba(var(--color-kagit-rgb), 0.1);
}
.mobile-nav__foot {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  flex: none;
}
.mobile-nav__phone {
  font-family: var(--font-mono);
  color: var(--color-kagit);
  font-size: 1rem;
}

@media (min-width: 1280px) {
  .site-nav { display: flex; }
  .site-header__actions { display: flex; }
  .hamburger, .mobile-nav { display: none; }
}

/* ---------------------------------------------------------------------
   10. Footer
   --------------------------------------------------------------------- */
.site-footer {
  background: var(--color-zift);
  color: rgba(var(--color-kagit-rgb), 0.85);
  padding-block: 4rem 0;
}
.site-footer__grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  padding-bottom: 3rem;
}
@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
}
.site-footer h3 {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--color-bakir);
  margin-bottom: 1.25rem;
  font-weight: 500;
}
.site-footer__about p { font-size: 0.9375rem; line-height: 1.7; margin-top: 1rem; max-width: 32ch; color: rgba(var(--color-kagit-rgb), 0.65); }
.site-footer__social { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.site-footer__social a {
  width: 2.25rem; height: 2.25rem;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(var(--color-kagit-rgb), 0.2);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}
.site-footer__social a:hover { border-color: var(--color-bakir); background: rgba(var(--color-bakir-rgb), 0.12); }
.site-footer__social svg { width: 1.05rem; height: 1.05rem; }

.site-footer__links { display: flex; flex-direction: column; gap: 0.75rem; }
.site-footer__links a { font-size: 0.9375rem; color: rgba(var(--color-kagit-rgb), 0.7); transition: color 0.2s var(--ease); }
.site-footer__links a:hover { color: var(--color-kagit); }

.site-footer__contact { display: flex; flex-direction: column; gap: 1rem; }
.site-footer__contact-item { display: flex; align-items: flex-start; gap: 0.75rem; font-size: 0.9375rem; color: rgba(var(--color-kagit-rgb), 0.75); }
.site-footer__contact-item svg { width: 1.05rem; height: 1.05rem; flex: none; margin-top: 0.15rem; color: var(--color-bakir); }
.site-footer__contact-item a:hover { color: var(--color-kagit); }

.site-footer__bottom {
  border-top: 1px solid rgba(var(--color-kagit-rgb), 0.1);
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: rgba(var(--color-kagit-rgb), 0.5);
}

/* padding for fixed mobile CTA bar */
.site-footer { margin-bottom: 4rem; }
@media (min-width: 768px) { .site-footer { margin-bottom: 0; } }

/* ---------------------------------------------------------------------
   11. Mobile CTA bar
   --------------------------------------------------------------------- */
.mobile-cta-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--color-zift);
  border-top: 1px solid rgba(var(--color-kagit-rgb), 0.12);
}
.mobile-cta-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding-block: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-kagit);
  border-right: 1px solid rgba(var(--color-kagit-rgb), 0.12);
}
.mobile-cta-bar a:last-child { border-right: 0; }
.mobile-cta-bar a:last-child { background: var(--color-bakir); }
.mobile-cta-bar svg { width: 1.15rem; height: 1.15rem; }

@media (min-width: 768px) {
  .mobile-cta-bar { display: none; }
}

/* ---------------------------------------------------------------------
   12. Section heading
   --------------------------------------------------------------------- */
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.section-heading__title {
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  margin-top: 0.6rem;
  max-width: 24ch;
}
.section-heading__link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-bakir);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  padding-bottom: 0.35rem;
  transition: gap 0.2s var(--ease);
}
.section-heading__link:hover { gap: 0.7rem; }

/* ---------------------------------------------------------------------
   13. Page hero (interior pages)
   --------------------------------------------------------------------- */
.page-hero {
  background: var(--color-zift);
  color: var(--color-kagit);
  padding-block: 4.5rem 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(var(--color-kagit-rgb), 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--color-kagit-rgb), 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black, transparent);
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__back {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(var(--color-kagit-rgb), 0.6);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  transition: color 0.2s var(--ease);
}
.page-hero__back:hover { color: var(--color-bakir); }
.page-hero__title {
  font-size: clamp(2.1rem, 5vw, 3.75rem);
  margin-top: 0.75rem;
  max-width: 22ch;
}
.page-hero__desc {
  margin-top: 1.25rem;
  max-width: 60ch;
  font-size: 1.0625rem;
  color: rgba(var(--color-kagit-rgb), 0.72);
  line-height: 1.7;
}
.page-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(var(--color-kagit-rgb), 0.65);
}
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------------------------------------------------------------------
   14. Dimension stats — signature element.
   Rendered like an architectural dimension callout:
   tick — number — label — tick, joined by a hairline.
   --------------------------------------------------------------------- */
.dimension-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 1.5rem;
  margin-top: 3rem;
}
@media (min-width: 640px) {
  .dimension-stats { grid-template-columns: repeat(3, 1fr); }
}
.dimension-stat {
  position: relative;
  padding-top: 1.15rem;
}
.dimension-stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: rgba(var(--color-bakir-rgb), 0.5);
}
.dimension-stat::after {
  content: '';
  position: absolute;
  top: -3px; left: 0;
  width: 1px; height: 7px;
  background: var(--color-bakir);
}
.dimension-stat__tick-r {
  position: absolute;
  top: -3px; right: 0;
  width: 1px; height: 7px;
  background: var(--color-bakir);
}
.dimension-stat__value {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.dimension-stat__value sup {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-bakir);
  font-weight: 500;
}
.dimension-stat__label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.6875rem;
  margin-top: 0.6rem;
  color: var(--color-harc);
}
.section-dark .dimension-stat__label,
.section-dark-soft .dimension-stat__label { color: rgba(var(--color-kagit-rgb), 0.55); }

/* ---------------------------------------------------------------------
   15. Hero slider (homepage)
   --------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--color-zift);
  color: var(--color-kagit);
  overflow: hidden;
  padding-top: 4.5rem;
}
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.4s var(--ease);
}
.hero-slide.is-active { opacity: 1; }
.hero-slide__ph {
  width: 100%;
  height: 100%;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(var(--color-zift-rgb), 0.55) 0%, rgba(var(--color-zift-rgb), 0.75) 55%, var(--color-zift) 100%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding-block: 5.5rem 4rem;
}
.hero__title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  margin-top: 1rem;
  max-width: 18ch;
}
.hero__subtitle {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  max-width: 52ch;
  color: rgba(var(--color-kagit-rgb), 0.78);
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

/* ---------------------------------------------------------------------
   16. Cards — services / projects / testimonials
   --------------------------------------------------------------------- */
.service-card {
  padding: 2.25rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: background-color 0.25s var(--ease);
}
.service-card:hover { background: var(--color-kirec); }
.section-dark .service-card:hover,
.section-dark-soft .service-card:hover { background: rgba(var(--color-kagit-rgb), 0.06); }
.service-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-bakir);
}

.service-hero-icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--color-bakir);
  flex: none;
}
.service-card__title { font-size: 1.15rem; }
.service-card__summary { font-size: 0.9375rem; color: var(--color-harc); line-height: 1.65; flex: 1; }
.service-card__link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-bakir);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
}

.project-card { display: block; overflow: hidden; }
.project-card__media {
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  background: var(--color-harc);
}
.project-card__ph {
  position: absolute;
  inset: 0;
  transition: transform 0.5s var(--ease);
}
.project-card:hover .project-card__ph { transform: scale(1.05); }
.project-card__category {
  position: absolute;
  top: 1rem; left: 1rem;
  z-index: 2;
  background: rgba(var(--color-zift-rgb), 0.75);
  color: var(--color-kagit);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.7rem;
  backdrop-filter: blur(4px);
}
.project-card__body { padding: 1.5rem; background: var(--color-zift-soft); }
.project-card__title { color: var(--color-kagit); font-size: 1.15rem; }
.project-card__summary { color: rgba(var(--color-kagit-rgb), 0.6); font-size: 0.875rem; margin-top: 0.5rem; line-height: 1.6; }
.project-card__meta {
  display: flex; gap: 1rem; margin-top: 1rem;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-bakir);
}

.testimonial-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.testimonial-card__rating { display: flex; gap: 0.2rem; color: var(--color-bakir); }
.testimonial-card__rating svg { width: 1rem; height: 1rem; }
.testimonial-card__comment { font-size: 0.9375rem; line-height: 1.75; flex: 1; }
.testimonial-card__person { display: flex; align-items: center; gap: 0.85rem; }
.testimonial-card__avatar {
  width: 2.75rem; height: 2.75rem; flex: none;
  background: var(--color-bakir);
  color: var(--color-kagit);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1rem;
}
.testimonial-card__name { font-weight: 600; font-size: 0.9375rem; }
.testimonial-card__role { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-harc); }

.post-card { display: block; }
.post-card__media { aspect-ratio: 16/10; position: relative; overflow: hidden; background: var(--color-harc); }
.post-card__ph { position: absolute; inset: 0; transition: transform 0.5s var(--ease); }
.post-card:hover .post-card__ph { transform: scale(1.05); }
.post-card__body { padding: 1.5rem 0.25rem; }
.post-card__date { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-bakir); text-transform: uppercase; letter-spacing: 0.08em; }
.post-card__title { font-size: 1.2rem; margin-top: 0.6rem; }
.post-card__excerpt {
  font-size: 0.9375rem; color: var(--color-harc); margin-top: 0.6rem; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* ---------------------------------------------------------------------
   17. Placeholder media (no photography yet — CSS-generated texture)
   --------------------------------------------------------------------- */
.ph-media {
  width: 100%; height: 100%;
  background:
    repeating-linear-gradient(135deg, rgba(var(--color-kagit-rgb), 0.05) 0px, rgba(var(--color-kagit-rgb), 0.05) 1px, transparent 1px, transparent 14px),
    linear-gradient(135deg, var(--color-harc), var(--color-zift-soft));
  position: relative;
}
.ph-media::after {
  content: attr(data-label);
  position: absolute;
  bottom: 0.85rem; left: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(var(--color-kagit-rgb), 0.55);
}
.ph-media--copper { background: repeating-linear-gradient(135deg, rgba(var(--color-kagit-rgb), 0.06) 0px, rgba(var(--color-kagit-rgb), 0.06) 1px, transparent 1px, transparent 14px), linear-gradient(135deg, var(--color-bakir), var(--color-pas)); }
.ph-media--paper { background: repeating-linear-gradient(135deg, rgba(var(--color-zift-rgb), 0.05) 0px, rgba(var(--color-zift-rgb), 0.05) 1px, transparent 1px, transparent 14px), linear-gradient(135deg, var(--color-kirec), var(--color-harc)); }

/* ---------------------------------------------------------------------
   18. Before / after slider
   --------------------------------------------------------------------- */
.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  user-select: none;
  touch-action: pan-y;
}
.ba-slider__layer { position: absolute; inset: 0; }
.ba-slider__after { z-index: 1; }
.ba-slider__before { z-index: 2; clip-path: inset(0 50% 0 0); }
.ba-slider__tag {
  position: absolute;
  top: 1rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(var(--color-zift-rgb), 0.75);
  color: var(--color-kagit);
  padding: 0.35rem 0.7rem;
}
.ba-slider__tag--before { left: 1rem; }
.ba-slider__tag--after { right: 1rem; }
.ba-slider__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  z-index: 4;
  width: 2px;
  background: var(--color-kagit);
  transform: translateX(-50%);
  cursor: ew-resize;
  touch-action: none;
}
.ba-slider__handle::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 2.75rem; height: 2.75rem;
  transform: translate(-50%, -50%);
  background: var(--color-kagit);
  border-radius: 50%;
}
.ba-slider__handle::after {
  content: '⟷';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-zift);
  font-size: 1.1rem;
  z-index: 1;
}
.ba-slider__range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 5;
  margin: 0;
}

/* ---------------------------------------------------------------------
   19. Category filter pills
   --------------------------------------------------------------------- */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}
.filter-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.55rem 1.1rem;
  border: 1px solid rgba(var(--color-zift-rgb), 0.18);
  color: var(--color-zift);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.filter-pill:hover { border-color: var(--color-bakir); }
.filter-pill.is-active { background: var(--color-zift); color: var(--color-kagit); border-color: var(--color-zift); }

/* ---------------------------------------------------------------------
   20. Process steps / value cards / FAQ / misc content blocks
   --------------------------------------------------------------------- */
.value-card { padding: 2.25rem; display: flex; flex-direction: column; gap: 1rem; }
.value-card__icon { width: 2.5rem; height: 2.5rem; color: var(--color-bakir); }
.value-card__title { font-size: 1.2rem; }
.value-card__text { font-size: 0.9375rem; color: var(--color-harc); line-height: 1.7; }

.process-step { padding: 2rem 1.75rem; position: relative; }
.process-step__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-bakir);
  margin-bottom: 1rem;
}
.process-step__title { font-size: 1.05rem; margin-bottom: 0.6rem; }
.process-step__text { font-size: 0.875rem; color: var(--color-harc); line-height: 1.65; }
.section-dark .process-step__text,
.section-dark-soft .process-step__text { color: rgba(var(--color-kagit-rgb), 0.6); }

.faq-item { padding: 0; border-bottom: 1px solid rgba(var(--color-zift-rgb), 0.12); }
.faq-item:first-child { border-top: 1px solid rgba(var(--color-zift-rgb), 0.12); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0.25rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--color-bakir);
  flex: none;
  transition: transform 0.2s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__answer { padding: 0 0.25rem 1.5rem; color: var(--color-harc); font-size: 0.9375rem; line-height: 1.75; max-width: 68ch; }

.team-card { padding: 1.75rem; text-align: left; }
.team-card__photo { aspect-ratio: 1; overflow: hidden; margin-bottom: 1.25rem; background: var(--color-harc); }
.team-card__name { font-size: 1.05rem; }
.team-card__title { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-bakir); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 0.3rem; }
.team-card__bio { font-size: 0.875rem; color: var(--color-harc); margin-top: 0.85rem; line-height: 1.65; }

.meta-list { display: flex; flex-direction: column; gap: 1rem; }
.meta-list__row { display: flex; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(var(--color-zift-rgb), 0.1); font-size: 0.9375rem; }
.meta-list__row dt { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-harc); }
.meta-list__row dd { font-weight: 600; text-align: right; }

.sidebar-card { background: var(--color-kirec); padding: 2rem; }
.sidebar-card__title { font-size: 1.1rem; margin-bottom: 0.75rem; }
.sidebar-card__text { font-size: 0.875rem; color: var(--color-harc); line-height: 1.65; margin-bottom: 1.5rem; }

.gallery-grid { }
.gallery-grid__item { aspect-ratio: 4/3; overflow: hidden; }

.detail-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .detail-grid { grid-template-columns: 2fr 1fr; gap: 4rem; }
}

.empty-state {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--color-harc);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  border: 1px dashed rgba(var(--color-zift-rgb), 0.2);
}

/* CTA band */
.cta-band { background: var(--color-zift); color: var(--color-kagit); text-align: center; padding-block: 5rem; }
.cta-band__title { font-size: clamp(1.9rem, 4vw, 3rem); margin-top: 0.75rem; max-width: 22ch; margin-inline: auto; }
.cta-band__actions { margin-top: 2.25rem; display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ---------------------------------------------------------------------
   21. Prose (markdown-rendered content)
   --------------------------------------------------------------------- */
.prose { font-size: 1.0625rem; line-height: 1.75; color: var(--color-zift); }
.prose > * + * { margin-top: 1.35em; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.2; margin-top: 2em; }
.prose h1 { font-size: 1.9em; }
.prose h2 { font-size: 1.55em; }
.prose h3 { font-size: 1.25em; }
.prose h4 { font-size: 1.1em; }
.prose p { }
.prose a { color: var(--color-bakir); text-decoration: none; border-bottom: 1px solid rgba(var(--color-bakir-rgb), 0.4); }
.prose a:hover { text-decoration: none; border-color: var(--color-bakir); }
.prose strong { font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.5em; }
.prose blockquote {
  border-left: 3px solid var(--color-bakir);
  padding-left: 1.25em;
  font-style: italic;
  color: var(--color-harc);
}
.prose code {
  font-family: var(--font-mono);
  background: var(--color-kirec);
  padding: 0.15em 0.4em;
  font-size: 0.875em;
}
.prose pre {
  background: var(--color-zift);
  color: var(--color-kagit);
  padding: 1.25em;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875em;
}
.prose pre code { background: none; padding: 0; }
.prose img { margin-block: 1.5em; }
.prose hr { border: 0; border-top: 1px solid rgba(var(--color-zift-rgb), 0.15); margin-block: 2.5em; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.9375em; }
.prose th, .prose td { border: 1px solid rgba(var(--color-zift-rgb), 0.15); padding: 0.6em 0.8em; text-align: left; }

/* ---------------------------------------------------------------------
   22. Utility spacing / text
   --------------------------------------------------------------------- */
.flow > * + * { margin-top: 1.25em; }
.text-center { text-align: center; }
.mx-auto { margin-inline: auto; }
.hidden { display: none; }

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
}

/* ---------------------------------------------------------------------
   23. Reduced motion
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}