/**
 * RG Mimarlık — tasarım sistemi
 * Tokenlar + layout + header/footer + ortak bileşenler
 * Framework yok; el yazımı CSS.
 */

/* -------------------------------------------------------------------------- */
/* Tokens                                                                     */
/* -------------------------------------------------------------------------- */
:root {
  /* Color */
  --color-ink: #14130F;
  --color-paper: #FAF8F3;
  --color-anthracite: #2B2A26;
  --color-stone: #8C8578;
  --color-bronze: #9C7A4A;
  --color-bronze-deep: #6E5730;
  --color-line: #DEDACF;
  --color-white: #FFFFFF;

  /* Type — major third 1.25 from 17px */
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Manrope", system-ui, sans-serif;
  --font-arabic: "Noto Sans Arabic", "Manrope", sans-serif;
  --font-hand: "Caveat", "Segoe Print", cursive;

  --text-xs: 0.688rem;   /* ~11 */
  --text-sm: 0.8125rem;  /* 13 */
  --text-base: 1.0625rem;/* 17 */
  --text-md: 1.3125rem;  /* 21 */
  --text-lg: 1.6875rem;  /* 27 */
  --text-xl: 2.125rem;   /* 34 */
  --text-2xl: 2.625rem;  /* 42 */
  --text-3xl: 3.3125rem; /* 53 */
  --text-4xl: 4.25rem;   /* 68 */

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-body: 1.65;
  --measure: 38rem; /* ~70ch at 17px */

  /* Space */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 7rem;
  --space-10: 10rem;

  /* Layout */
  --radius: 0;
  --radius-sm: 2px;
  --header-h: 4.25rem;
  --wrap: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 700ms;
  --duration-fast: 280ms;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

body.is-rtl {
  font-family: var(--font-arabic);
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
  transition: color var(--duration-fast) ease;
}

a:hover {
  color: var(--color-bronze);
}

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

button {
  cursor: pointer;
  background: none;
  border: 0;
  padding: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4, p {
  margin: 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

body.is-rtl h1,
body.is-rtl h2,
body.is-rtl h3,
body.is-rtl h4 {
  font-family: var(--font-arabic);
  font-weight: 600;
  letter-spacing: 0;
}

::selection {
  background: var(--color-ink);
  color: var(--color-paper);
}

.skip-link {
  position: absolute;
  inset-inline-start: var(--gutter);
  top: -100%;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-ink);
  color: var(--color-paper);
}

.skip-link:focus {
  top: var(--space-2);
}

/* -------------------------------------------------------------------------- */
/* Layout primitives                                                          */
/* -------------------------------------------------------------------------- */
.wrap {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
}

.site-main {
  min-height: 60vh;
}

.section {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-line);
}

.section--flush {
  padding-block: 0;
  border-top: 0;
}

.section__head {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  max-width: var(--measure);
}

.section__title {
  font-size: clamp(var(--text-xl), 4vw, var(--text-2xl));
}

.section__lead {
  color: var(--color-stone);
  font-size: var(--text-md);
  line-height: var(--leading-snug);
}

.prose {
  max-width: var(--measure);
}

.prose p + p {
  margin-top: var(--space-4);
}

/* Asymmetric split: image dominates */
.split {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

@media (min-width: 900px) {
  .split {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-7);
  }

  .split--flip {
    grid-template-columns: 5fr 7fr;
  }

  .split--flip .split__media {
    order: 2;
  }
}

/* -------------------------------------------------------------------------- */
/* Header                                                                     */
/* -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  height: var(--header-h);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-ink);
}

.site-logo:hover {
  color: var(--color-ink);
}

.site-logo--image {
  align-self: stretch;
  height: var(--header-h);
  padding-block: 0;
}

.site-logo__img {
  display: block;
  height: 100%;
  width: auto;
  max-height: var(--header-h);
  max-width: min(11.5rem, 46vw);
  object-fit: contain;
  object-position: left center;
  background: transparent;
}

.site-logo__img--footer {
  height: 3.25rem;
  max-height: 3.25rem;
  max-width: 12rem;
  opacity: 0.95;
}

.site-logo__mark {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.03em;
}

body.is-rtl .site-logo__mark {
  font-family: var(--font-arabic);
}

.site-logo__name {
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-stone);
}

.site-nav {
  display: none;
}

@media (min-width: 960px) {
  .site-nav {
    display: block;
    flex: 1;
  }

  .site-nav__list {
    display: flex;
    justify-content: center;
    gap: clamp(var(--space-4), 2.5vw, var(--space-6));
  }

  .site-nav__link {
    position: relative;
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    color: var(--color-ink);
    padding-block: var(--space-1);
  }

  .site-nav__link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.15rem;
    height: 1px;
    background: var(--color-bronze);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--duration-fast) var(--ease-out);
  }

  body.is-rtl .site-nav__link::after {
    transform-origin: right;
  }

  .site-nav__link:hover::after,
  .site-nav__link.is-active::after {
    transform: scaleX(1);
  }

  .site-nav__link.is-active {
    color: var(--color-ink);
  }
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language switch */
.lang-switch {
  position: relative;
}

.lang-switch__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-ink);
  padding: var(--space-1) 0;
}

.lang-switch__chev {
  width: 0.4rem;
  height: 0.4rem;
  border-inline-end: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0.7;
}

.lang-switch__menu {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + 0.5rem);
  min-width: 5.5rem;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  padding: var(--space-2) 0;
  z-index: 60;
}

.lang-switch__menu a {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.06em;
}

.lang-switch__menu a.is-current,
.lang-switch__menu a:hover {
  color: var(--color-bronze-deep);
}

/* Mobile toggle */
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2rem;
  height: 2rem;
}

.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background: var(--color-ink);
  transition: transform var(--duration-fast) var(--ease-out);
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

@media (min-width: 960px) {
  .nav-toggle {
    display: none;
  }
}

.mobile-nav {
  border-top: 1px solid var(--color-line);
  background: var(--color-paper);
  padding: var(--space-5) var(--gutter) var(--space-6);
}

.mobile-nav a {
  display: block;
  padding-block: var(--space-3);
  font-size: var(--text-md);
  font-family: var(--font-display);
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
}

body.is-rtl .mobile-nav a {
  font-family: var(--font-arabic);
}

@media (min-width: 960px) {
  .mobile-nav {
    display: none !important;
  }
}

/* -------------------------------------------------------------------------- */
/* Buttons                                                                    */
/* -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition:
    background var(--duration-fast) ease,
    color var(--duration-fast) ease,
    border-color var(--duration-fast) ease;
}

.btn--primary {
  background: var(--color-ink);
  color: var(--color-paper);
  border-color: var(--color-ink);
}

.btn--primary:hover {
  background: var(--color-bronze-deep);
  border-color: var(--color-bronze-deep);
  color: var(--color-paper);
}

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

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

.btn--light {
  background: transparent;
  color: var(--color-paper);
  border-color: color-mix(in srgb, var(--color-paper) 55%, transparent);
}

.btn--light:hover {
  border-color: var(--color-paper);
  color: var(--color-paper);
}

/* -------------------------------------------------------------------------- */
/* Project card (no SaaS shadow / round corners)                              */
/* -------------------------------------------------------------------------- */
.project-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.project-card__media {
  position: relative;
  overflow: hidden;
  background: var(--color-line);
  aspect-ratio: 3 / 2;
  width: 100%;
  flex-shrink: 0;
}

/* Absolute img = her kartta aynı kırpma; dikey/yatay foto fark etmez */
.project-card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 1.1s var(--ease-out);
}

.project-card:hover .project-card__media img {
  transform: scale(1.04);
}

.project-card__body {
  padding-top: var(--space-4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) ease;
  margin-top: auto;
}

.project-card:hover .project-card__body {
  border-bottom-color: var(--color-bronze);
}

.project-card__meta {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-size: var(--text-md);
  font-weight: 500;
}

.project-grid {
  display: grid;
  gap: var(--space-7) var(--space-5);
  align-items: stretch;
}

@media (min-width: 700px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .project-grid:not(.project-grid--featured) {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Featured: eşit sütunlar, aynı oran — asimetrik yükseklik yok */
.project-grid--featured {
  grid-template-columns: 1fr;
}

@media (min-width: 900px) {
  .project-grid--featured {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* -------------------------------------------------------------------------- */
/* Services list (no fake 01/02 numbering)                                    */
/* -------------------------------------------------------------------------- */
.service-list {
  border-top: 1px solid var(--color-line);
}

.service-list__item {
  display: grid;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-bottom: 1px solid var(--color-line);
  text-decoration: none;
  color: inherit;
  transition: color var(--duration-fast) ease;
}

@media (min-width: 800px) {
  .service-list__item {
    grid-template-columns: 1.1fr 1.6fr auto;
    align-items: baseline;
    gap: var(--space-6);
  }
}

.service-list__item:hover {
  color: var(--color-bronze-deep);
}

.service-list__title {
  font-size: var(--text-lg);
}

.service-list__text {
  color: var(--color-stone);
  max-width: 36rem;
}

.service-list__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bronze);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  justify-self: start;
}

/* -------------------------------------------------------------------------- */
/* Stats — 5 kalem tek satırda (desktop)                                      */
/* -------------------------------------------------------------------------- */
.stats {
  display: grid;
  gap: var(--space-5) var(--space-4);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 720px) {
  .stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-4) clamp(0.5rem, 1.5vw, 1.25rem);
  }
}

.stat {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
  min-width: 0;
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  overflow-wrap: anywhere;
  hyphens: auto;
}

body.is-rtl .stat__value {
  font-family: var(--font-arabic);
  font-weight: 600;
}

.stat__label {
  font-size: clamp(0.7rem, 1.1vw, 0.8125rem);
  line-height: 1.35;
  color: var(--color-stone);
}

/* -------------------------------------------------------------------------- */
/* Hero (used in step 3)                                                      */
/* -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: min(92vh, 54rem);
  color: var(--color-paper);
  overflow: hidden;
  background: var(--color-anthracite);
}

.hero__slides,
.hero__slide {
  position: absolute;
  inset: 0;
}

.hero__slide {
  display: grid;
  align-items: end;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.9s var(--ease-out), visibility 0.9s var(--ease-out);
}

.hero__slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img,
.hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__slide.is-active .hero__media img,
.hero__slide.is-active .hero__media video {
  transform: scale(1.06);
  animation: hero-zoom 8s var(--ease-out) forwards;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      rgba(20, 19, 15, 0.72) 0%,
      rgba(20, 19, 15, 0.28) 45%,
      rgba(20, 19, 15, 0.18) 100%
    );
}

.hero__content {
  position: relative;
  z-index: 1;
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  padding-bottom: clamp(var(--space-7), 8vh, var(--space-9));
  max-width: 42rem;
  margin-inline-start: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter)));
}

.hero__slide.is-active .hero__content {
  opacity: 0;
  transform: translateY(1.25rem);
  animation: hero-copy 1s var(--ease-out) 0.35s forwards;
}

.hero__dots {
  position: absolute;
  z-index: 2;
  inset-inline-start: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin: 0;
  justify-content: flex-start;
  inset-inline-start: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter)));
  transform: none;
}

.hero__dot {
  width: 1.75rem;
  height: 2px;
  background: color-mix(in srgb, var(--color-paper) 35%, transparent);
  border-radius: 0;
  transition: background var(--duration-fast) ease, width var(--duration-fast) ease;
}

.hero__dot.is-active {
  width: 2.75rem;
  background: var(--color-paper);
}

.btn--on-dark {
  background: transparent;
  color: var(--color-paper);
  border: 1px solid color-mix(in srgb, var(--color-paper) 55%, transparent);
}

.btn--on-dark:hover {
  border-color: var(--color-paper);
  color: var(--color-paper);
}

.hero__title {
  font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl));
  margin-bottom: var(--space-4);
  color: var(--color-paper);
}

.hero__subtitle {
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: color-mix(in srgb, var(--color-paper) 82%, transparent);
  max-width: 32rem;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@keyframes hero-zoom {
  from { transform: scale(1.06); }
  to   { transform: scale(1); }
}

@keyframes hero-copy {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__media img,
  .hero__media video,
  .hero__slide.is-active .hero__media img,
  .hero__slide.is-active .hero__media video,
  .hero__content,
  .hero__slide.is-active .hero__content,
  .project-card__media img {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

/* -------------------------------------------------------------------------- */
/* CTA band                                                                   */
/* -------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-anthracite);
  color: var(--color-paper);
  padding-block: var(--space-8);
}

.cta-band__inner {
  display: grid;
  gap: var(--space-5);
  align-items: end;
}

@media (min-width: 800px) {
  .cta-band__inner {
    grid-template-columns: 1.4fr auto;
  }
}

.cta-band__title {
  font-size: clamp(var(--text-xl), 4vw, var(--text-2xl));
  margin-bottom: var(--space-3);
  color: var(--color-paper);
}

.cta-band__lead {
  color: color-mix(in srgb, var(--color-paper) 72%, transparent);
  max-width: var(--measure);
}

/* -------------------------------------------------------------------------- */
/* Project name marquee (hero altı)                                           */
/* -------------------------------------------------------------------------- */
.project-marquee {
  overflow: hidden;
  border-block: 1px solid var(--color-line);
  background: color-mix(in srgb, var(--color-paper) 88%, var(--color-bronze) 12%);
  padding-block: var(--space-4);
}

.project-marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-7);
  animation: marquee-rtl 42s linear infinite;
  will-change: transform;
}

body.is-rtl .project-marquee__track {
  animation-name: marquee-ltr;
}

.project-marquee:hover .project-marquee__track {
  animation-play-state: paused;
}

.project-marquee__item {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: clamp(var(--text-md), 2.4vw, var(--text-lg));
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
  opacity: 0.72;
  transition: opacity var(--duration-fast) ease, color var(--duration-fast) ease;
}

.project-marquee__item::after {
  content: "·";
  margin-inline-start: var(--space-7);
  color: var(--color-bronze);
  opacity: 0.55;
  font-weight: 400;
}

.project-marquee__item:hover {
  opacity: 1;
  color: var(--color-bronze-deep);
}

@keyframes marquee-rtl {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes marquee-ltr {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .project-marquee__track {
    animation: none;
    flex-wrap: wrap;
    width: min(100% - (var(--gutter) * 2), var(--wrap));
    margin-inline: auto;
    justify-content: center;
    row-gap: var(--space-3);
  }
}

/* -------------------------------------------------------------------------- */
/* Handwritten slogan (footer üstü)                                           */
/* -------------------------------------------------------------------------- */
.hand-slogan {
  background: var(--color-paper);
  padding-block: var(--space-5);
  text-align: center;
  border-top: 1px solid var(--color-line);
}

.hand-slogan__text {
  font-family: var(--font-hand);
  font-size: clamp(1.45rem, 3.6vw, 2.35rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-anthracite);
  margin: 0 auto;
  max-width: none;
  white-space: nowrap;
  overflow-x: auto;
  letter-spacing: 0.02em;
}

@media (max-width: 520px) {
  .hand-slogan {
    padding-block: var(--space-4);
  }

  .hand-slogan__text {
    font-size: clamp(1.15rem, 5.5vw, 1.45rem);
    white-space: nowrap;
  }
}

body.is-rtl .hand-slogan__text {
  font-family: var(--font-arabic);
  font-weight: 400;
  font-size: clamp(1.2rem, 3vw, 1.85rem);
}

/* -------------------------------------------------------------------------- */
/* Forms                                                                      */
/* -------------------------------------------------------------------------- */
.form {
  display: grid;
  gap: var(--space-5);
  max-width: 36rem;
}

.form__row {
  display: grid;
  gap: var(--space-2);
}

.form__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-stone);
}

.form__control {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: transparent;
  padding: var(--space-3) 0;
  outline: none;
  transition: border-color var(--duration-fast) ease;
}

.form__control:focus {
  border-bottom-color: var(--color-bronze);
}

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

.form__honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.alert {
  padding: var(--space-4);
  border: 1px solid var(--color-line);
  font-size: var(--text-sm);
}

.alert--ok {
  border-color: var(--color-bronze);
  color: var(--color-bronze-deep);
}

.alert--err {
  border-color: #8a3a2a;
  color: #8a3a2a;
}

/* -------------------------------------------------------------------------- */
/* Page intro                                                                 */
/* -------------------------------------------------------------------------- */
.page-intro {
  padding-block: var(--space-8) var(--space-6);
}

.page-intro__title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  margin-bottom: var(--space-4);
}

.page-intro__lead {
  color: var(--color-stone);
  font-size: var(--text-md);
  max-width: var(--measure);
}

/* -------------------------------------------------------------------------- */
/* Footer                                                                     */
/* -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-anthracite);
  color: color-mix(in srgb, var(--color-paper) 78%, transparent);
  margin-top: 0;
}

.site-footer a {
  text-decoration: none;
  color: color-mix(in srgb, var(--color-paper) 78%, transparent);
}

.site-footer a:hover {
  color: var(--color-paper);
}

.site-footer__top {
  display: grid;
  gap: var(--space-7);
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  padding-block: var(--space-8) var(--space-7);
  border-bottom: 1px solid color-mix(in srgb, var(--color-paper) 12%, transparent);
}

@media (min-width: 860px) {
  .site-footer__top {
    grid-template-columns: 1.2fr 2fr;
    gap: var(--space-8);
  }
}

.site-logo--footer .site-logo__mark {
  color: var(--color-paper);
}

.site-logo--footer .site-logo__name {
  color: color-mix(in srgb, var(--color-paper) 55%, transparent);
}

.site-footer__address {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  max-width: 16rem;
}

.site-footer__cols {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(2, 1fr);
}

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

.site-footer__label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-paper) 45%, transparent);
  margin-bottom: var(--space-4);
}

.site-footer__col li + li {
  margin-top: var(--space-2);
}

.site-footer__col a {
  font-size: var(--text-sm);
}

.site-footer__bottom {
  width: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  padding-block: var(--space-5);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-paper) 45%, transparent);
}

/* -------------------------------------------------------------------------- */
/* Filters (projects)                                                         */
/* -------------------------------------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: end;
  padding-bottom: var(--space-6);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.filters__field {
  display: grid;
  gap: var(--space-2);
  min-width: 9rem;
}

.filters__field label {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.filters__field select {
  border: 0;
  border-bottom: 1px solid var(--color-line);
  background: transparent;
  padding: var(--space-2) 0;
  border-radius: 0;
  outline: none;
}

.filters__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* -------------------------------------------------------------------------- */
/* Project detail                                                             */
/* -------------------------------------------------------------------------- */
.project-detail__hero {
  position: relative;
  min-height: min(72vh, 42rem);
  display: grid;
  align-items: end;
  color: var(--color-paper);
  background: var(--color-anthracite);
  overflow: hidden;
}

.project-detail__hero-media {
  position: absolute;
  inset: 0;
}

.project-detail__hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-detail__hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(20, 19, 15, 0.78) 0%,
    rgba(20, 19, 15, 0.2) 55%,
    rgba(20, 19, 15, 0.12) 100%
  );
}

.project-detail__hero-copy {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(var(--space-6), 7vh, var(--space-8));
  max-width: 44rem;
  margin-inline-start: max(var(--gutter), calc((100% - var(--wrap)) / 2 + var(--gutter)));
  width: min(100% - (var(--gutter) * 2), var(--wrap));
}

.project-detail__kicker {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--color-paper) 65%, transparent);
  margin-bottom: var(--space-3);
}

.project-detail__title {
  font-size: clamp(var(--text-2xl), 5vw, var(--text-3xl));
  color: var(--color-paper);
  margin-bottom: var(--space-4);
}

.project-detail__summary {
  font-size: var(--text-md);
  line-height: var(--leading-snug);
  color: color-mix(in srgb, var(--color-paper) 82%, transparent);
  max-width: 36rem;
}

.project-detail__body {
  padding-block: var(--space-8);
}

.project-detail__layout {
  display: grid;
  gap: var(--space-7);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-line);
}

@media (min-width: 900px) {
  .project-detail__layout {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
    align-items: start;
  }
}

.project-detail__main {
  font-size: var(--text-base);
  color: var(--color-ink);
}

.project-detail__meta {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-5);
}

.project-detail__meta dl {
  margin: 0;
}

.meta-row {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

.meta-row dt {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.meta-row dd {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 500;
}

.project-gallery__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-5);
}

.project-gallery__grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 700px) {
  .project-gallery__grid {
    grid-template-columns: 1.4fr 1fr;
  }

  .project-gallery__item:first-child {
    grid-row: span 2;
  }

  .project-gallery__item:first-child img {
    height: 100%;
    aspect-ratio: auto;
  }
}

.project-gallery__item {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  background: var(--color-line);
  cursor: zoom-in;
}

.project-gallery__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
}

.project-gallery__item:hover img {
  transform: scale(1.03);
}

.project-detail__back {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.project-detail__back a {
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--color-bronze);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(20, 19, 15, 0.92);
  padding: var(--space-6);
}

.lightbox[hidden] {
  display: none !important;
}

.lightbox__figure {
  margin: 0;
  max-width: min(96vw, 72rem);
  max-height: 88vh;
}

.lightbox__figure img {
  max-height: 88vh;
  width: auto;
  max-width: 100%;
  margin-inline: auto;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: var(--space-4);
  inset-inline-end: var(--space-4);
  color: var(--color-paper);
  font-size: 2rem;
  line-height: 1;
  width: 2.5rem;
  height: 2.5rem;
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-paper);
  font-size: 2.5rem;
  line-height: 1;
  width: 3rem;
  height: 3rem;
  opacity: 0.7;
}

.lightbox__nav:hover {
  opacity: 1;
}

.lightbox__nav--prev {
  inset-inline-start: var(--space-3);
}

.lightbox__nav--next {
  inset-inline-end: var(--space-3);
}

body.lightbox-open {
  overflow: hidden;
}

/* -------------------------------------------------------------------------- */
/* Contact / About / Service detail                                           */
/* -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
}

.contact-layout__info {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-5);
}

.contact-info {
  margin: 0;
}

.about__visual,
.service-detail__visual {
  background: var(--color-line);
  min-height: 22rem;
  overflow: hidden;
}

.about__visual img {
  width: 100%;
  height: 100%;
  min-height: 28rem;
  object-fit: cover;
}

.service-detail__visual img {
  width: 100%;
  height: 100%;
  min-height: 28rem;
  object-fit: cover;
  display: block;
}

/* Hakkımızda — küçük profil görseli solda, metin yanına + altına yayılır */
.page-intro--about {
  padding-bottom: var(--space-4);
  text-align: left;
}

.page-intro--about .page-intro__title {
  margin-inline: 0;
}

.about-page {
  padding-top: 0;
  padding-bottom: var(--space-8);
  border-top: 0;
}

.about-page__inner {
  display: block;
  max-width: var(--wrap);
}

.about-page__body {
  overflow: hidden; /* float clear */
}

.about-page__media {
  float: left;
  margin: 0 var(--space-5) var(--space-4) 0;
  width: clamp(8rem, 20vw, 12rem);
  shape-outside: margin-box;
}

body.is-rtl .about-page__media {
  float: right;
  margin: 0 0 var(--space-4) var(--space-5);
}

.about-page__media img {
  width: 100%;
  height: auto;
  max-height: 16rem;
  aspect-ratio: auto;
  object-fit: contain;
  object-position: center top;
  display: block;
  background: transparent;
}

.about-page__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-anthracite);
  text-align: center;
  line-height: 1.3;
}

.about-page__prose {
  margin: 0;
  max-width: none;
  text-align: left;
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.about-page__prose :where(p, li, h2, h3) {
  text-align: left;
}

.about-page__prose :where(ul, ol) {
  display: block;
  text-align: left;
  margin-inline: 0;
}

body.is-rtl .about-page__prose,
body.is-rtl .about-page__prose :where(p, li, h2, h3),
body.is-rtl .page-intro--about {
  text-align: right;
}

.about-page__cta {
  margin-top: var(--space-6);
  clear: both;
  display: flex;
  justify-content: flex-start;
}

body.is-rtl .about-page__cta {
  justify-content: flex-end;
}

@media (max-width: 560px) {
  .about-page__media {
    float: none;
    width: min(9rem, 42vw);
    margin: 0 auto var(--space-5);
  }

  body.is-rtl .about-page__media {
    margin: 0 auto var(--space-5);
  }

  .about-page__body {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .about-page__prose,
  .about-page__prose :where(p, li, h2, h3) {
    text-align: left;
    width: 100%;
  }

  body.is-rtl .about-page__prose,
  body.is-rtl .about-page__prose :where(p, li, h2, h3) {
    text-align: right;
  }
}

.service-grid {
  display: grid;
  gap: var(--space-7) var(--space-5);
}

@media (min-width: 700px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-decoration: none;
  color: inherit;
  height: 100%;
}

.service-card__media {
  position: relative;
  overflow: hidden;
  background: var(--color-line);
  aspect-ratio: 3 / 2;
  width: 100%;
}

.service-card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.1s var(--ease-out);
}

.service-card__media .service-detail__plane {
  position: absolute;
  inset: 0;
  min-height: 0;
  height: 100%;
}

.service-card:hover .service-card__media img {
  transform: scale(1.04);
}

.service-card__body {
  padding-top: var(--space-4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-fast) ease;
}

.service-card:hover .service-card__body {
  border-bottom-color: var(--color-bronze);
}

.service-card__title {
  font-size: var(--text-md);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.service-card__text {
  color: var(--color-stone);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
  max-width: 36rem;
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bronze);
  border-bottom: 1px solid currentColor;
}

.service-detail__plane {
  min-height: 28rem;
  height: 100%;
  background:
    linear-gradient(135deg, var(--color-anthracite) 0%, var(--color-anthracite) 42%, transparent 42%),
    linear-gradient(315deg, var(--color-bronze) 0%, var(--color-bronze) 18%, var(--color-paper) 18%);
}

.about__prose :where(p + p) {
  margin-top: var(--space-4);
}

.alert {
  margin-bottom: var(--space-5);
}

/* -------------------------------------------------------------------------- */
/* 404                                                                        */
/* -------------------------------------------------------------------------- */
.error-404 {
  padding-block: var(--space-9) var(--space-8);
  border-bottom: 1px solid var(--color-line);
}

.error-404__grid {
  display: grid;
  gap: var(--space-7);
  align-items: end;
}

@media (min-width: 800px) {
  .error-404__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
  }
}

.error-404__visual {
  min-height: 12rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: flex-end;
}

.error-404__code {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 14vw, 8rem);
  font-weight: 500;
  line-height: 0.85;
  letter-spacing: -0.04em;
  color: var(--color-ink);
}

body.is-rtl .error-404__code {
  font-family: var(--font-arabic);
  font-weight: 600;
}

.error-404__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* -------------------------------------------------------------------------- */
/* Utility                                                                    */
/* -------------------------------------------------------------------------- */
.u-stone { color: var(--color-stone); }
.u-measure { max-width: var(--measure); }
.u-mt-6 { margin-top: var(--space-6); }
.u-mb-6 { margin-bottom: var(--space-6); }