/* ============================================================
   Mavi Mimarlık – Kurumsal Site
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:       #2B6CB0;
  --blue-light: #4299E1;
  --blue-pale:  #EBF8FF;
  --dark:       #1A202C;
  --gray:       #718096;
  --gray-light: #F7FAFC;
  --border:     #E2E8F0;
  --white:      #FFFFFF;
  --font:       'DM Sans', system-ui, sans-serif;
  --font-d:     'DM Serif Display', Georgia, serif;
  --r:          10px;
  --r-lg:       18px;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* ── HEADER ── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }

.header-inner { display: flex; align-items: center; gap: 28px; height: 70px; }

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--blue); color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-d); font-size: 1.2rem; font-weight: 400;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text span { font-size: 1rem; font-weight: 700; color: var(--dark); }
.logo-sub { font-size: 0.72rem; color: var(--gray); font-weight: 500; }

.nav { display: flex; gap: 2px; margin-left: auto; }
.nav-link {
  text-decoration: none; color: var(--gray);
  font-size: 0.88rem; font-weight: 500;
  padding: 7px 14px; border-radius: 8px;
  transition: all 0.2s; position: relative;
}
.nav-link:hover, .nav-link.active { color: var(--dark); background: var(--blue-pale); }
.nav-link.active { color: var(--blue); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 30px;
  font-family: var(--font); font-size: 0.9rem;
  font-weight: 700; text-decoration: none;
  cursor: pointer; border: none; transition: all 0.22s;
}
.btn-dark { background: var(--dark); color: white; }
.btn-dark:hover { background: #2D3748; transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: white; box-shadow: 0 6px 20px rgba(43,108,176,0.3); }
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); }
.btn-outline { border: 1.5px solid var(--border); color: var(--dark); background: transparent; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-white { background: white; color: var(--dark); font-size: 0.85rem; padding: 8px 18px; }
.btn-white:hover { background: var(--blue-pale); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 1.5px solid var(--border);
  border-radius: 8px; cursor: pointer; padding: 7px;
}
.hamburger span { display: block; width: 18px; height: 1.5px; background: var(--dark); border-radius: 2px; transition: all 0.3s; }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── HERO ── */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, #F7FAFC 0%, #EBF8FF 60%, #F0FFF4 100%);
  padding: 80px 0 60px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-shape {
  position: absolute; border-radius: 50%;
  filter: blur(80px);
}
.s1 { width: 400px; height: 400px; background: rgba(66,153,225,0.1); top: -100px; right: -100px; }
.s2 { width: 300px; height: 300px; background: rgba(154,230,180,0.1); bottom: -50px; left: -50px; }

.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}

.hero-eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--blue); background: var(--blue-pale);
  padding: 5px 14px; border-radius: 20px; margin-bottom: 20px;
}

.hero-content h1 {
  font-family: var(--font-d);
  font-size: clamp(2.6rem, 4.5vw, 4rem);
  line-height: 1.1; color: var(--dark); margin-bottom: 18px;
}
.hero-content h1 em { font-style: italic; color: var(--blue); }

.hero-desc { font-size: 1.05rem; color: var(--gray); line-height: 1.75; margin-bottom: 32px; max-width: 440px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual { position: relative; height: 400px; }

.hv-main {
  position: absolute; inset: 0;
  background: white; border-radius: var(--r-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
  overflow: hidden;
}

.hv-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.hv-stat {
  position: absolute; background: white;
  border-radius: var(--r-lg); padding: 14px 18px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 2px;
}
.hv-stat strong { font-size: 1.4rem; font-weight: 800; color: var(--blue); }
.hv-stat span { font-size: 0.72rem; color: var(--gray); font-weight: 500; }
.hv-stat-1 { bottom: 20px; left: -20px; }
.hv-stat-2 { top: 20px; right: -20px; }

.hv-award {
  position: absolute; bottom: 20px; right: -10px;
  background: var(--dark); color: white;
  border-radius: var(--r-lg); padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  font-size: 0.78rem;
}
.hv-award strong { display: block; font-weight: 700; }
.hv-award p { color: rgba(255,255,255,0.6); font-size: 0.68rem; }

/* ── SERVICES ── */
.services { padding: 80px 0; background: white; }

.section-head { text-align: center; margin-bottom: 52px; }
.eyebrow {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--blue); background: var(--blue-pale);
  padding: 5px 14px; border-radius: 20px; margin-bottom: 12px;
}
.section-head h2 { font-family: var(--font-d); font-size: 2.4rem; color: var(--dark); }

.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.svc-card {
  background: var(--gray-light); border-radius: var(--r-lg);
  padding: 28px 24px; border: 1px solid var(--border);
  transition: all 0.3s;
}
.svc-card:hover { background: white; box-shadow: 0 8px 32px rgba(0,0,0,0.08); transform: translateY(-4px); border-color: var(--blue-pale); }
.svc-icon { font-size: 2rem; margin-bottom: 14px; display: block; }
.svc-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.svc-card p { font-size: 0.88rem; color: var(--gray); line-height: 1.65; margin-bottom: 16px; }
.svc-link { font-size: 0.85rem; font-weight: 700; color: var(--blue); text-decoration: none; transition: gap 0.2s; }
.svc-link:hover { text-decoration: underline; }

/* ── FEATURED PROJECTS ── */
.featured-projects { padding: 80px 0; background: var(--gray-light); }

.projects-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 20px; margin-bottom: 36px; }

.proj-card { background: white; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); transition: all 0.3s; }
.proj-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.1); transform: translateY(-4px); }
.proj-card--large .proj-img { height: 280px; }

.proj-img {
  height: 200px; position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.proj-img img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.proj-card:hover .proj-img img { transform: scale(1.05); }

.proj-placeholder { font-size: 3.5rem; position: relative; z-index: 1; }

/* Projeler sayfası img */
.proj-img-wrap img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.proj-item:hover .proj-img-wrap img { transform: scale(1.05); }

.proj-emoji { font-size: 3.5rem; position: relative; z-index: 1; }
.proj-overlay {
  position: absolute; inset: 0; background: rgba(26,32,44,0.6);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s;
}
.proj-card:hover .proj-overlay { opacity: 1; }

.proj-info { padding: 16px 18px; }
.proj-cat { font-size: 0.7rem; font-weight: 700; color: var(--blue); text-transform: uppercase; letter-spacing: 0.5px; }
.proj-info h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin: 6px 0 4px; }
.proj-info p { font-size: 0.82rem; color: var(--gray); }

.all-projects-btn { text-align: center; }

/* ── PROCESS ── */
.process { padding: 80px 0; background: white; }

.process-grid {
  display: flex; align-items: flex-start; gap: 0;
}

.proc-step {
  flex: 1; text-align: center; padding: 0 20px;
}
.proc-num {
  font-family: var(--font-d); font-size: 2.5rem;
  color: var(--blue-pale); font-weight: 400;
  margin-bottom: 12px; display: block;
}
.proc-step h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.proc-step p { font-size: 0.88rem; color: var(--gray); line-height: 1.65; }

.proc-arrow {
  font-size: 1.5rem; color: var(--border);
  padding-top: 20px; flex-shrink: 0;
}

/* ── CTA SECTION ── */
.cta-section {
  background: linear-gradient(135deg, #EBF8FF, #F0FFF4);
  padding: 72px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-inner {
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-inner h2 { font-family: var(--font-d); font-size: 2.2rem; color: var(--dark); margin-bottom: 8px; }
.cta-inner p { font-size: 1rem; color: var(--gray); }

/* ── PAGE HERO ── */
.page-hero {
  background: linear-gradient(160deg, #F7FAFC, #EBF8FF);
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
}
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 { font-family: var(--font-d); font-size: clamp(2.2rem, 4vw, 3.4rem); color: var(--dark); line-height: 1.15; margin-bottom: 14px; }
.page-hero h1 em { font-style: italic; color: var(--blue); }
.page-hero p { font-size: 1.05rem; color: var(--gray); max-width: 500px; line-height: 1.7; }

/* ── ABOUT PAGE ── */
.about-story { padding: 80px 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about-text h2 { font-family: var(--font-d); font-size: 2.2rem; color: var(--dark); margin-bottom: 16px; }
.about-text p { font-size: 0.97rem; color: var(--gray); line-height: 1.75; margin-bottom: 14px; }
.about-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-box { background: var(--blue-pale); border-radius: var(--r-lg); padding: 24px; text-align: center; }
.stat-box strong { display: block; font-size: 2rem; font-weight: 800; color: var(--blue); margin-bottom: 4px; }
.stat-box span { font-size: 0.82rem; color: var(--gray); font-weight: 500; }

.team-section { padding: 80px 0; background: var(--gray-light); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.team-card { background: white; border-radius: var(--r-lg); padding: 28px 20px; text-align: center; border: 1px solid var(--border); transition: all 0.3s; }
.team-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); transform: translateY(-4px); }
.team-avatar { width: 72px; height: 72px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; font-weight: 800; color: var(--blue); margin: 0 auto 14px; }
.team-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 4px; }
.team-card span { font-size: 0.78rem; color: var(--blue); font-weight: 600; display: block; margin-bottom: 10px; }
.team-card p { font-size: 0.83rem; color: var(--gray); line-height: 1.6; }

.values-section { padding: 80px 0; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value-card { background: var(--gray-light); border-radius: var(--r-lg); padding: 28px 22px; border: 1px solid var(--border); transition: all 0.3s; }
.value-card:hover { background: white; box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.value-card span { font-size: 2rem; display: block; margin-bottom: 12px; }
.value-card h3 { font-size: 1rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.value-card p { font-size: 0.88rem; color: var(--gray); line-height: 1.65; }

/* ── PROJECTS PAGE ── */
.projects-page { padding: 60px 0 80px; }

.proj-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.pf-btn {
  padding: 8px 20px; border-radius: 20px;
  border: 1.5px solid var(--border); background: white;
  color: var(--gray); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; font-family: var(--font);
}
.pf-btn:hover { border-color: var(--blue); color: var(--blue); }
.pf-btn.active { background: var(--blue); color: white; border-color: transparent; }

.proj-masonry { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.proj-item { border-radius: var(--r-lg); overflow: hidden; cursor: pointer; }
.proj-item--lg { grid-column: span 2; }

.proj-img-wrap {
  height: 220px; position: relative;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s;
  overflow: hidden;
}
.proj-item--lg .proj-img-wrap { height: 280px; }
.proj-item:hover .proj-img-wrap { transform: scale(1.02); }

.proj-emoji { font-size: 3.5rem; position: relative; z-index: 1; }

.proj-hover {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,32,44,0.85) 0%, transparent 60%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 20px; opacity: 0; transition: opacity 0.3s;
}
.proj-item:hover .proj-hover { opacity: 1; }
.proj-hover h3 { font-size: 1rem; font-weight: 700; color: white; margin-bottom: 4px; }
.proj-hover p { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-bottom: 8px; }
.proj-tag { font-size: 0.68rem; font-weight: 700; background: var(--blue); color: white; padding: 3px 10px; border-radius: 20px; width: fit-content; }

/* ── CONTACT PAGE ── */
.contact-page { padding: 60px 0 80px; }
.contact-layout { display: grid; grid-template-columns: 1fr 1.8fr; gap: 56px; align-items: start; }

.ci-card { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.ci-icon { font-size: 1.4rem; width: 44px; height: 44px; background: var(--blue-pale); border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ci-card strong { display: block; font-size: 0.85rem; font-weight: 700; color: var(--dark); margin-bottom: 3px; }
.ci-card p { font-size: 0.88rem; color: var(--gray); line-height: 1.5; }

.map-placeholder { background: var(--blue-pale); border-radius: var(--r-lg); height: 180px; display: flex; align-items: center; justify-content: center; margin-top: 8px; border: 1px solid var(--border); }
.map-inner { text-align: center; }
.map-inner span { font-size: 2.5rem; display: block; margin-bottom: 8px; }
.map-inner p { font-size: 0.88rem; color: var(--gray); font-weight: 500; }

.contact-form-wrap h2 { font-family: var(--font-d); font-size: 2rem; color: var(--dark); margin-bottom: 28px; }

.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 0.85rem; font-weight: 600; color: var(--dark); }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: var(--r); font-family: var(--font);
  font-size: 0.92rem; color: var(--dark); background: white;
  outline: none; resize: vertical; transition: border-color 0.2s;
  appearance: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(43,108,176,0.1); }

.form-success { text-align: center; padding: 48px 24px; }
.form-success span { font-size: 3rem; display: block; margin-bottom: 16px; }
.form-success h3 { font-family: var(--font-d); font-size: 1.8rem; color: var(--dark); margin-bottom: 8px; }
.form-success p { color: var(--gray); }

/* ── FOOTER ── */
.footer { background: var(--dark); color: rgba(255,255,255,0.65); padding: 56px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo-text span { color: white; }
.footer-brand .logo-sub { color: rgba(255,255,255,0.5); }
.footer-brand p { font-size: 0.88rem; margin-top: 12px; line-height: 1.65; }
.footer-nav { display: flex; gap: 40px; }
.footer-nav div { display: flex; flex-direction: column; gap: 10px; }
.footer-nav h4 { font-size: 0.78rem; font-weight: 700; color: white; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
.footer-nav a { font-size: 0.88rem; color: rgba(255,255,255,0.55); text-decoration: none; transition: color 0.2s; }
.footer-nav a:hover { color: var(--blue-light); }
.footer-bottom { padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.78rem; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .proj-card--large { grid-column: span 2; }
  .process-grid { flex-wrap: wrap; }
  .proc-arrow { display: none; }
  .proc-step { flex: 0 0 calc(50% - 10px); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .proj-masonry { grid-template-columns: repeat(2, 1fr); }
  .proj-item--lg { grid-column: span 2; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .btn-dark { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .proj-card--large { grid-column: span 1; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .proj-masonry { grid-template-columns: 1fr; }
  .proj-item--lg { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-nav { flex-direction: column; gap: 24px; }
  .cta-inner { flex-direction: column; text-align: center; }
}