:root {
  --clr-brand-950: #200404;
  --clr-brand-900: #2e0606;
  --clr-brand-800: #490707;
  --clr-brand-700: #651414;
  --clr-metal-900: #1f2937;
  --clr-metal-700: #374151;
  --clr-accent: #c9732b;
  --clr-accent-strong: #aa5f20;
  --clr-bg: #f6f3ef;
  --clr-surface: #ffffff;
  --clr-text: #111827;
  --clr-muted: #596274;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --shadow-sm: 0 10px 25px rgba(17, 24, 39, 0.08);
  --shadow-md: 0 18px 40px rgba(17, 24, 39, 0.14);
  --container: min(1120px, calc(100% - 2.4rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--clr-text);
  background:
    radial-gradient(1200px 400px at 90% -10%, rgba(201, 115, 43, 0.14), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--clr-bg) 100%);
  line-height: 1.6;
}

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

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

.container {
  width: var(--container);
  margin-inline: auto;
}

.section {
  padding: 5rem 0;
}

.section-head {
  margin-bottom: 2rem;
  display: grid;
  gap: 0.6rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--clr-brand-700);
}

h1,
h2,
h3,
h4 {
  font-family: "Sora", "Segoe UI", sans-serif;
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.6rem);
}

h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.3rem);
}

p {
  margin: 0;
}

.muted {
  color: var(--clr-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.88rem 1.4rem;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 14px 30px rgba(201, 115, 43, 0.3);
}

.btn-primary:hover {
  background: var(--clr-accent-strong);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn-dark {
  background: var(--clr-brand-800);
  color: #fff;
}

.btn-light {
  border-color: rgba(31, 41, 55, 0.3);
  color: var(--clr-metal-900);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(246, 243, 239, 0.86);
  border-bottom: 1px solid rgba(31, 41, 55, 0.08);
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  color: var(--clr-metal-900);
  font-family: "Sora", sans-serif;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-links a {
  font-weight: 700;
  color: #2f3948;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.22rem;
  width: 100%;
  height: 2px;
  background: var(--clr-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.24s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(31, 41, 55, 0.2);
  background: #fff;
  border-radius: 10px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: #111827;
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: "";
  width: 20px;
  height: 2px;
  background: #111827;
  position: absolute;
  left: 0;
}

.menu-toggle span::before {
  top: -6px;
}

.menu-toggle span::after {
  top: 6px;
}

.hero {
  color: #fff;
  padding: 5.8rem 0 4.5rem;
  position: relative;
  overflow: clip;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(110deg, rgba(32, 4, 4, 0.95), rgba(73, 7, 7, 0.8)),
    url("../../Projeler/Resim2.webp") center/cover no-repeat;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(500px 240px at 12% 24%, rgba(201, 115, 43, 0.22), transparent 70%),
    radial-gradient(700px 280px at 88% 76%, rgba(255, 255, 255, 0.1), transparent 70%);
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.6rem;
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 1.2rem;
}

.hero-badge {
  width: fit-content;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-weight: 700;
  font-size: 0.82rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  backdrop-filter: blur(8px);
}

.hero-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.hero-list li {
  display: flex;
  gap: 0.6rem;
  align-items: start;
  font-weight: 600;
}

.dot {
  margin-top: 0.48rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--clr-accent);
  flex-shrink: 0;
}

.cards-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.adv-card {
  background: var(--clr-surface);
  border: 1px solid rgba(31, 41, 55, 0.1);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.adv-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.service-card {
  position: relative;
  background: linear-gradient(160deg, #fff, #f7f8fb);
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.2rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--clr-accent), var(--clr-brand-700));
}

.service-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.16rem;
}

.service-link {
  margin-top: 0.9rem;
  display: inline-flex;
  font-weight: 800;
  color: var(--clr-brand-700);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-card {
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.1);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}

.about-card.dark {
  background: linear-gradient(130deg, var(--clr-metal-900), #2e3b4d);
  color: #f5f6f7;
}

.about-card.dark .muted {
  color: #d4d9e3;
}

.timeline {
  display: grid;
  gap: 0.9rem;
}

.timeline-step {
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: 999px;
  padding: 0.72rem 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.78rem;
  font-weight: 700;
  color: var(--clr-metal-900);
}

.timeline-step span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--clr-accent), #a3591f);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.filter-wrap {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.filter-btn {
  border: 1px solid rgba(31, 41, 55, 0.2);
  background: #fff;
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--clr-metal-900);
  color: #fff;
  border-color: var(--clr-metal-900);
}

.projects-grid {
  column-count: 4;
  column-gap: 1rem;
}

.project-card {
  display: inline-block;
  width: 100%;
  margin: 0 0 1rem;
  break-inside: avoid;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.14);
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s ease, box-shadow 0.24s ease, opacity 0.2s ease;
}

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

.project-card.is-hidden {
  display: none;
}

.project-card img {
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
}

.project-meta {
  padding: 0.95rem;
}

.project-meta h3 {
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.project-tag {
  display: inline-flex;
  border-radius: 999px;
  background: rgba(73, 7, 7, 0.08);
  color: var(--clr-brand-700);
  padding: 0.2rem 0.58rem;
  font-size: 0.8rem;
  font-weight: 700;
}

.reference-list {
  display: grid;
  gap: 1.3rem;
}

.reference-project {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 1rem;
  align-items: stretch;
  padding: 1.1rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.95));
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.reference-project:nth-child(even) .reference-copy {
  order: 2;
}

.reference-project:nth-child(even) .reference-slider {
  order: 1;
}

.reference-copy {
  display: grid;
  align-content: center;
  gap: 0.9rem;
  padding: 0.5rem;
}

.reference-copy p {
  color: var(--clr-muted);
}

.reference-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.reference-stats span {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  background: rgba(73, 7, 7, 0.08);
  color: var(--clr-brand-700);
  font-weight: 700;
  font-size: 0.84rem;
}

.reference-slider {
  background: linear-gradient(180deg, #16202c, #0f1722);
  border-radius: 24px;
  padding: 0.9rem;
  color: #fff;
  box-shadow: 0 20px 45px rgba(17, 24, 39, 0.24);
}

.reference-viewport {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background:
    radial-gradient(circle at top left, rgba(201, 115, 43, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.05);
}

.reference-track {
  display: flex;
  transition: transform 0.35s ease;
  will-change: transform;
}

.reference-slide {
  min-width: 100%;
  margin: 0;
  min-height: clamp(340px, 52vw, 620px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.reference-slide img {
  max-width: 100%;
  max-height: min(560px, 72vh);
  width: auto;
  height: auto;
  border-radius: 14px;
  object-fit: contain;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.22);
}

.reference-controls {
  margin-top: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.slider-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  padding: 0.62rem 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.slider-nav:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-1px);
}

.slider-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.slider-dot {
  width: 11px;
  height: 11px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.32);
  cursor: pointer;
  padding: 0;
}

.slider-dot.active {
  background: var(--clr-accent);
  box-shadow: 0 0 0 4px rgba(201, 115, 43, 0.18);
}

.reference-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.reference-hero-stats span {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-weight: 700;
}

.cta-banner {
  background: linear-gradient(100deg, var(--clr-brand-900), var(--clr-metal-900));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1rem;
}

.contact-card,
.form-card {
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
}

.contact-list {
  display: grid;
  gap: 0.8rem;
  margin: 1rem 0;
}

.contact-item strong {
  display: block;
  margin-bottom: 0.2rem;
}

.map-wrap {
  margin-top: 1rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(31, 41, 55, 0.15);
}

.map-wrap iframe {
  width: 100%;
  min-height: 260px;
  border: 0;
}

.contact-form {
  display: grid;
  gap: 0.8rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label {
  font-weight: 700;
  font-size: 0.93rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid rgba(31, 41, 55, 0.24);
  border-radius: 10px;
  padding: 0.74rem 0.84rem;
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field textarea {
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--clr-brand-700);
  box-shadow: 0 0 0 3px rgba(101, 20, 20, 0.14);
  outline: none;
}

.footer {
  margin-top: 2.5rem;
  background: linear-gradient(130deg, #101723, #1c2431);
  color: #e9edf5;
  padding: 3rem 0 1.2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 1rem;
}

.footer h3 {
  font-size: 1.02rem;
  margin-bottom: 0.5rem;
}

.footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.footer a {
  color: #dbe3f3;
}

.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(219, 227, 243, 0.2);
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

.floating-contact {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 45;
  display: grid;
  gap: 0.7rem;
  width: min(230px, calc(100vw - 2rem));
}

.floating-btn {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 0.95rem;
  border-radius: 18px;
  color: #fff;
  box-shadow: 0 16px 30px rgba(17, 24, 39, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.floating-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 34px rgba(17, 24, 39, 0.25);
}

.floating-btn-call {
  background: linear-gradient(135deg, #18212e, #334155);
}

.floating-btn-wa {
  background: linear-gradient(135deg, #179f52, #25d366);
}

.floating-btn__icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.14);
}

.floating-btn__icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.floating-btn__text {
  min-width: 0;
  display: grid;
  line-height: 1.15;
}

.floating-btn__text strong {
  font-size: 0.98rem;
  font-weight: 800;
}

.floating-btn__text span {
  font-size: 0.78rem;
  opacity: 0.88;
}

.sub-hero {
  position: relative;
  color: #fff;
  padding: 4.3rem 0 3.1rem;
  overflow: hidden;
}

.sub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(31, 41, 55, 0.94), rgba(73, 7, 7, 0.86)),
    url("../../Projeler/Resim4.webp") center/cover no-repeat;
  z-index: -1;
}

.breadcrumb {
  margin-top: 0.7rem;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 600;
}

.single-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}

.single-content {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(31, 41, 55, 0.12);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.single-content h2,
.single-content h3 {
  margin-bottom: 0.6rem;
}

.single-content p {
  margin-bottom: 0.9rem;
}

.single-side {
  display: grid;
  gap: 0.9rem;
}

.badge-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.48rem;
}

.badge-list li {
  background: #fff;
  border: 1px solid rgba(31, 41, 55, 0.14);
  padding: 0.6rem 0.76rem;
  border-radius: 999px;
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

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

@media (max-width: 1000px) {
  .cards-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-grid {
    column-count: 3;
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid rgba(31, 41, 55, 0.12);
    display: grid;
    padding: 0.9rem 1.2rem 1.1rem;
    gap: 0.8rem;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.2s ease;
  }

  .nav-links.open {
    transform: scaleY(1);
  }

  .hero-grid,
  .about-grid,
  .contact-grid,
  .single-grid,
  .reference-project {
    grid-template-columns: 1fr;
  }

  .reference-project:nth-child(even) .reference-copy,
  .reference-project:nth-child(even) .reference-slider {
    order: initial;
  }

  .projects-grid {
    column-count: 2;
  }
}

@media (max-width: 620px) {
  .section {
    padding: 4.1rem 0;
  }

  .cards-4,
  .services-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    column-count: 1;
  }

  .reference-slider {
    padding: 0.75rem;
  }

  .reference-slide {
    min-height: 320px;
    padding: 0.65rem;
  }

  .reference-controls {
    justify-content: center;
  }

  .slider-nav {
    min-width: 96px;
  }

  .hero {
    padding-top: 4.8rem;
  }

  .brand strong {
    font-size: 0.9rem;
  }

  .floating-contact {
    right: 0.75rem;
    bottom: 0.75rem;
    width: min(210px, calc(100vw - 1.5rem));
  }

  .floating-btn {
    padding: 0.72rem 0.82rem;
    border-radius: 16px;
  }

  .floating-btn__icon {
    width: 38px;
    height: 38px;
  }

  .floating-btn__text strong {
    font-size: 0.92rem;
  }

  .floating-btn__text span {
    font-size: 0.74rem;
  }
}