/* ==========================================================================
   MSA STONE MİMARLIK - MINIMAL WHITE & TALL MODERN BOLD ARCHITECTURAL DESIGN
   ========================================================================== */

:root {
  --bg-white: #ffffff;
  --bg-subtle: #f8f9fa;
  --bg-card: #f3f4f6;

  --text-black: #0c0d0e;
  --text-dark: #1f2124;
  --text-muted: #6b7280;
  --text-light: #9ca3af;

  --border-light: #e5e7eb;
  --border-dark: #111315;

  /* Tall, upright, clean bold modern font (Outfit) */
  --font-bold: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 4px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-white);
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: var(--text-black);
  color: #fff;
}

/* Container */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  padding: 22px 0;
  transition: var(--transition);
}
.header.scrolled {
  padding: 16px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo */
.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.1;
}
.logo-bold {
  font-family: var(--font-bold);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-black);
  letter-spacing: -0.01em;
}
.logo-sub {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--text-muted);
  margin-top: 3px;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}
.nav-link:hover {
  color: var(--text-black);
  opacity: 0.6;
}

/* Header Right */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-clean {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-black);
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.btn-clean:hover {
  background: var(--text-black);
  color: #fff;
}

.menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-black);
  transition: var(--transition);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn-black {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  background: var(--text-black);
  color: #fff;
  border: 1px solid var(--text-black);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-black:hover {
  background: #2a2d34;
  border-color: #2a2d34;
  transform: translateY(-2px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: var(--text-black);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--text-black);
  transform: translateY(-2px);
}

.btn-black-lg {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 42px;
  background: var(--text-black);
  color: #fff;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.btn-black-lg:hover {
  background: #22252a;
  transform: translateY(-2px);
}

.btn-outline-lg {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 20px 38px;
  background: #fff;
  color: var(--text-black);
  border: 1px solid var(--border-dark);
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: var(--transition);
}
.btn-outline-lg:hover {
  background: var(--text-black);
  color: #fff;
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
  padding: 70px 0 100px;
  border-bottom: 1px solid var(--border-light);
}
.hero-top-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 34px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 16px;
}
.meta-loc {
  color: var(--text-black);
}

.hero-headline {
  font-family: var(--font-bold);
  font-size: clamp(2.8rem, 6.2vw, 5.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--text-black);
  text-transform: uppercase;
  margin-bottom: 34px;
}

.hero-sub-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}
.hero-p {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  color: var(--text-dark);
  font-weight: 500;
  max-width: 640px;
  line-height: 1.6;
}
.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image-box {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.08);
}
.hero-main-img {
  width: 100%;
  height: clamp(400px, 60vh, 700px);
  object-fit: cover;
  display: block;
  transition: transform 1.2s ease;
}
.hero-image-box:hover .hero-main-img {
  transform: scale(1.02);
}
.image-caption-minimal {
  display: flex;
  justify-content: space-between;
  padding: 18px 26px;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-top: none;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-section {
  padding: 120px 0;
  border-bottom: 1px solid var(--border-light);
}
.section-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 60px;
  border-bottom: 2px solid var(--text-black);
  padding-bottom: 20px;
}
.title-bold {
  font-family: var(--font-bold);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-black);
  text-transform: uppercase;
}
.title-counter {
  font-family: var(--font-bold);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-muted);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}
.project-item {
  display: flex;
  flex-direction: column;
}
.project-img-wrap {
  width: 100%;
  height: 480px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  margin-bottom: 20px;
}
.project-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-item:hover .project-img-wrap img {
  transform: scale(1.05);
}
.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-top: 10px;
}
.project-title {
  font-family: var(--font-bold);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-black);
  margin-bottom: 4px;
}
.project-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
}
.project-year {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-light);
}

/* ==========================================================================
   MATERIALS LIST
   ========================================================================== */
.materials-section {
  padding: 120px 0;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-light);
}
.materials-list {
  display: flex;
  flex-direction: column;
}
.material-row {
  display: grid;
  grid-template-columns: 80px 1.2fr 2fr 1fr;
  align-items: baseline;
  gap: 32px;
  padding: 38px 0;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}
.material-row:hover {
  background: rgba(255, 255, 255, 0.7);
  padding-left: 16px;
  padding-right: 16px;
}
.mat-num {
  font-family: var(--font-bold);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-muted);
}
.mat-name h3 {
  font-family: var(--font-bold);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-black);
  margin-bottom: 4px;
}
.mat-name p {
  font-size: 0.88rem;
  color: var(--text-muted);
}
.mat-desc {
  font-size: 1rem;
  color: var(--text-dark);
  line-height: 1.6;
}
.mat-area {
  font-size: 0.88rem;
  font-weight: 700;
  text-align: right;
  color: var(--text-black);
  text-transform: uppercase;
}

/* ==========================================================================
   ABOUT MANIFEST
   ========================================================================== */
.about-section {
  padding: 140px 0;
  border-bottom: 1px solid var(--border-light);
}
.about-content {
  max-width: 1040px;
}
.manifest-tag {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 24px;
}
.manifest-quote {
  font-family: var(--font-bold);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-black);
  margin-bottom: 50px;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  font-size: 1.1rem;
  color: var(--text-dark);
  line-height: 1.7;
}
.about-grid strong {
  color: var(--text-black);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 120px 0 140px;
}
.contact-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 80px 60px;
}
.contact-header {
  margin-bottom: 40px;
}
.contact-lead {
  font-size: 1.25rem;
  color: var(--text-dark);
  margin-top: 16px;
  max-width: 600px;
  line-height: 1.6;
}
.contact-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.contact-info-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  border-top: 1px solid var(--border-light);
  padding-top: 50px;
}
.info-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.info-block p, .info-block a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-black);
  text-decoration: none;
  line-height: 1.6;
}
.info-block a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-light);
  padding: 40px 0;
  background: var(--bg-white);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-left {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.footer-brand {
  font-family: var(--font-bold);
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-black);
}
.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.footer-right {
  display: flex;
  gap: 24px;
}
.footer-right a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  text-decoration: none;
  transition: var(--transition);
}
.footer-right a:hover {
  color: var(--text-black);
  opacity: 0.5;
}

/* ==========================================================================
   ANIMATIONS & REVEAL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .material-row {
    grid-template-columns: 50px 1.5fr 2fr;
  }
  .mat-area {
    display: none;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .contact-info-strip {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .header {
    padding: 16px 0;
  }
  .nav {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border-light);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }
  .nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .menu-btn {
    display: flex;
  }
  .hero-headline {
    font-size: 2.6rem;
  }
  .material-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .contact-box {
    padding: 40px 24px;
  }
  .project-img-wrap {
    height: 320px;
  }
}