/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:      #0B1F4A;
  --navy-deep: #071535;
  --gold:      #C9A84C;
  --gold-light:#E8C96A;
  --cream:     #F8F7F4;
  --white:     #FFFFFF;
  --gray-100:  #F2F1EE;
  --gray-400:  #9A9A9A;
  --gray-700:  #444444;
  --text:      #1A1A2E;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius:  8px;
  --shadow:  0 4px 24px rgba(11,31,74,.10);
  --trans:   .25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3 { font-family: var(--font-display); line-height: 1.2; }

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }

p { font-size: 1rem; color: var(--gray-700); }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .75rem;
}

/* =============================================
   LAYOUT HELPERS
   ============================================= */
.container {
  width: min(1100px, 92%);
  margin-inline: auto;
}

section { padding: 100px 0; }

.divider {
  width: 52px; height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin: 1rem 0 2rem;
}

/* =============================================
   NAVIGATION
   ============================================= */
#navbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  transition: background var(--trans), box-shadow var(--trans);
}

#navbar.scrolled {
  background: var(--navy-deep);
  box-shadow: 0 2px 16px rgba(0,0,0,.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}

/* Monogram */
.monogram {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--white);
}

.monogram-mark {
  width: 42px; height: 42px;
  background: var(--gold);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -.04em;
  flex-shrink: 0;
}

.monogram-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
}

.monogram-title {
  font-size: .7rem;
  color: rgba(255,255,255,.6);
  letter-spacing: .06em;
}

/* Nav links */
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255,255,255,.82);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .03em;
  transition: color var(--trans);
}

.nav-links a:hover { color: var(--gold-light); }

.nav-cta {
  background: var(--gold);
  color: var(--navy) !important;
  padding: .5rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600 !important;
  transition: background var(--trans) !important;
}

.nav-cta:hover { background: var(--gold-light) !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--navy-deep);
  padding: 0 0 1.5rem;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  font-weight: 500;
  padding: .85rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color var(--trans), background var(--trans);
}

.mobile-menu a:hover { color: var(--gold-light); background: rgba(255,255,255,.04); }
.mobile-menu a.nav-cta { color: var(--navy) !important; background: var(--gold); margin: 1rem 1.5rem 0; border-radius: var(--radius); border: none; text-align: center; }

/* =============================================
   HERO
   ============================================= */
#hero {
  min-height: 100dvh;
  background: linear-gradient(145deg, var(--navy-deep) 0%, var(--navy) 60%, #133272 100%);
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 80% 40%, rgba(201,168,76,.12) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  background: rgba(201,168,76,.15);
  border: 1px solid rgba(201,168,76,.35);
  border-radius: 100px;
  padding: .35rem 1rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero-content h1 { color: var(--white); margin-bottom: 1rem; }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem) !important;
  color: rgba(255,255,255,.72) !important;
  max-width: 500px;
  margin-bottom: 2.2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  padding: .85rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  border: 2px solid var(--gold);
  cursor: pointer;
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
  display: inline-block;
}

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,.35);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  padding: .85rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid rgba(255,255,255,.35);
  cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
  display: inline-block;
}

.btn-outline:hover {
  border-color: rgba(255,255,255,.7);
  background: rgba(255,255,255,.06);
}

/* Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.stat-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  transition: border-color var(--trans);
}

.stat-card:hover { border-color: rgba(201,168,76,.4); }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
  margin-bottom: .25rem;
}

.stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.62);
  line-height: 1.4;
}

/* =============================================
   HAKKIMDA
   ============================================= */
#hakkimda { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.about-visual {
  position: relative;
}

.about-portrait-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(160deg, var(--navy) 0%, #1a3a6e 100%);
  border-radius: 16px;
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}

.portrait-monogram {
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 700;
  color: rgba(201,168,76,.25);
  letter-spacing: -.05em;
  user-select: none;
}

.about-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--gold);
  color: var(--navy);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.badge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}

.badge-text {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  line-height: 1.3;
  display: block;
}

.about-content h2 { color: var(--navy); margin-bottom: .5rem; }

.about-content p { margin-bottom: 1.25rem; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 2rem;
}

.tag {
  background: var(--gray-100);
  border: 1px solid rgba(11,31,74,.1);
  color: var(--navy);
  font-size: .78rem;
  font-weight: 600;
  padding: .35rem .85rem;
  border-radius: 100px;
  letter-spacing: .03em;
}

/* =============================================
   HİZMETLER
   ============================================= */
#hizmetler { background: var(--cream); }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { color: var(--navy); }
.section-header .divider { margin-inline: auto; }
.section-header p { max-width: 560px; margin-inline: auto; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.service-card {
  background: var(--white);
  border: 1px solid rgba(11,31,74,.08);
  border-radius: 16px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--trans), box-shadow var(--trans), border-color var(--trans);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
  opacity: 0;
  transition: opacity var(--trans);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(11,31,74,.14);
  border-color: rgba(11,31,74,.15);
}

.service-card:hover::before { opacity: 1; }

.service-card.featured {
  border-color: var(--gold);
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--white);
}

.service-card.featured::before { opacity: 1; }
.service-card.featured p { color: rgba(255,255,255,.72); }
.service-card.featured h3 { color: var(--white); }
.service-card.featured .service-features li { color: rgba(255,255,255,.8); }
.service-card.featured .service-features li::before { color: var(--gold); }

.featured-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .25rem .75rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.service-tier {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .6rem;
}

.service-card.featured .service-tier { color: var(--gold-light); }

.service-card h3 { color: var(--navy); margin-bottom: .75rem; }

.service-features {
  list-style: none;
  margin: 1rem 0 1.5rem;
  flex: 1;
}

.service-features li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9rem;
  color: var(--gray-700);
  margin-bottom: .5rem;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--navy);
  border: 1.5px solid var(--navy);
  padding: .55rem 1.1rem;
  border-radius: var(--radius);
  transition: background var(--trans), color var(--trans);
  margin-top: auto;
  width: fit-content;
}

.service-link:hover { background: var(--navy); color: var(--white); }

.service-card.featured .service-link {
  color: var(--navy);
  background: var(--gold);
  border-color: var(--gold);
}

.service-card.featured .service-link:hover { background: var(--gold-light); border-color: var(--gold-light); }

/* Proje bazlı kart */
.project-card {
  background: var(--white);
  border: 1px solid rgba(11,31,74,.08);
  border-radius: 16px;
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  transition: transform var(--trans), box-shadow var(--trans);
}

.project-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(11,31,74,.1);
}

.project-card-body h3 { color: var(--navy); margin-bottom: .4rem; }

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .75rem;
}

/* =============================================
   NEDEN BEN
   ============================================= */
#neden-ben { background: var(--white); }

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.why-content h2 { color: var(--navy); margin-bottom: .5rem; }
.why-content > p { margin-bottom: 2.5rem; }

.pillars {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.pillar {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
}

.pillar-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: rgba(11,31,74,.06);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.pillar h3 { color: var(--navy); font-size: 1rem; margin-bottom: .3rem; }
.pillar p { font-size: .9rem; }

.why-visual {
  background: linear-gradient(155deg, var(--navy-deep) 0%, var(--navy) 100%);
  border-radius: 20px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.why-visual-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: .5rem;
}

.metric-row {
  background: rgba(255,255,255,.07);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255,255,255,.08);
}

.metric-name { font-size: .82rem; color: rgba(255,255,255,.6); }
.metric-value { font-family: var(--font-display); font-size: 1.3rem; color: var(--gold); font-weight: 700; }

/* =============================================
   İLETİŞİM
   ============================================= */
#iletisim { background: var(--cream); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h2 { color: var(--navy); margin-bottom: .5rem; }
.contact-info > p { margin-bottom: 2rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .2rem;
}

.contact-item-value {
  font-size: .95rem;
  color: var(--navy);
  font-weight: 500;
}

.contact-item-value a:hover { color: var(--gold); }

/* Form */
.contact-form {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: .4rem;
  letter-spacing: .02em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid rgba(11,31,74,.15);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11,31,74,.1);
}

.form-group textarea { resize: vertical; min-height: 120px; }

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

.btn-submit {
  width: 100%;
  background: var(--navy);
  color: var(--white);
  padding: .95rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--trans), transform var(--trans);
  letter-spacing: .04em;
}

.btn-submit:hover { background: var(--navy-deep); transform: translateY(-2px); }

.form-note {
  text-align: center;
  font-size: .78rem;
  color: var(--gray-400);
  margin-top: .75rem;
}

/* =============================================
   FOOTER
   ============================================= */
footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,.55);
  text-align: center;
  padding: 2rem 0;
  font-size: .82rem;
}

footer a { color: var(--gold); }
footer a:hover { color: var(--gold-light); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero-grid { gap: 2.5rem; }
  .about-grid { gap: 3rem; }
  .why-grid { gap: 3rem; }
  .contact-grid { gap: 3rem; }
  .services-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .project-card { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-subtitle { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-eyebrow { margin-inline: auto; }

  .about-grid { grid-template-columns: 1fr; }
  .about-visual { max-width: 340px; margin-inline: auto; }
  .about-badge { right: 0; }

  .why-grid { grid-template-columns: 1fr; }
  .why-visual { order: -1; }

  .contact-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .stat-number { font-size: 1.9rem; }
}

/* =============================================
   UTILITY
   ============================================= */
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.mt-auto { margin-top: auto; }

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}

[data-animate].visible {
  opacity: 1;
  transform: none;
}