/* =============================
   MARVEN KURUMSAL — Ana Stil
   ============================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary:   #2925f4;
  --dark:      #0f1117;
  --dark2:     #1b1f29;
  --white:     #ffffff;
  --gray:      #f5f5f5;
  --text:      #1b1f29;
  --text-muted:#6b7280;
  --border:    #e5e7eb;
  --radius:    6px;
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', 'Poppins', sans-serif; color: var(--text); background: #fff; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: color .2s; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ── */
#header {
  position: sticky; top: 0; z-index: 999;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.header-inner {
  display: flex; align-items: center;
  height: 68px; padding: 0 32px;
  gap: 32px;
}

/* LOGO */
.logo, .footer-logo {
  display: flex; flex-direction: column;
  line-height: 1;
  color: var(--white);
}
.logo-text {
  font-family: 'Poppins', sans-serif;
  font-size: 26px; font-weight: 800;
  letter-spacing: -1px;
  color: var(--white);
}
.logo-dot { color: var(--primary); }
.logo-sub {
  font-size: 9px; font-weight: 600;
  letter-spacing: 3px; color: rgba(255,255,255,.5);
  margin-top: 1px;
}

/* NAV */
.nav {
  display: flex; align-items: center;
  gap: 6px; margin-left: auto;
}
.nav a {
  color: rgba(255,255,255,.85);
  font-size: 14px; font-weight: 500;
  padding: 6px 14px; border-radius: 4px;
  transition: all .2s;
}
.nav a:hover, .nav a.aktif {
  color: var(--white);
  background: rgba(255,255,255,.1);
}

/* SOCIAL */
.header-right { display: flex; align-items: center; gap: 16px; }
.social-icons { display: flex; gap: 12px; }
.social-icons a {
  color: rgba(255,255,255,.65);
  font-size: 17px;
  transition: color .2s;
}
.social-icons a:hover { color: var(--white); }

/* HAMBURGER */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: rgba(255,255,255,.8); border-radius: 2px; transition: .3s;
}

/* MOBİL NAV */
.mobile-nav {
  display: none; flex-direction: column;
  background: var(--dark2);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 8px 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: rgba(255,255,255,.8);
  padding: 12px 24px; font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.mobile-nav a:hover { color: var(--white); background: rgba(255,255,255,.05); }

/* ── PAGE HERO (İç sayfalar) ── */
.page-hero {
  background: var(--dark2);
  padding: 56px 0 52px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #0d0e14 0%, #1b1f29 60%, #2925f4 200%);
  opacity: .9;
}
.page-hero .container { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; color: var(--white);
}
.page-hero-logo {
  opacity: .35;
  max-width: 180px;
}

/* ── HERO (Ana Sayfa) ── */
#hero {
  min-height: 88vh;
  background: linear-gradient(120deg, #0d0e14 0%, #111827 50%, #1a1060 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}
.hero-watermark {
  position: absolute; left: -40px; top: 50%; transform: translateY(-50%);
  font-family: 'Poppins', sans-serif;
  font-size: clamp(100px, 18vw, 220px);
  font-weight: 900; line-height: 1;
  color: rgba(255,255,255,.04);
  letter-spacing: -8px;
  pointer-events: none; user-select: none;
  white-space: nowrap;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 600px; margin-left: auto;
  padding: 80px 0 80px;
  text-align: left;
}
.hero-content h1 {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 24px;
}
.hero-content p {
  font-size: 16px;
  color: rgba(255,255,255,.65);
  line-height: 1.8;
}

/* ── ÜRÜN GRUPLARI BÖLÜMÜ ── */
.urun-gruplari-section { padding: 64px 0 56px; background: #fff; }
.urun-gruplari-page    { padding: 56px 0 72px; background: #f4f5f7; }

.bolum-baslik {
  text-align: center;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted);
  margin-bottom: 36px;
}

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

/* Kart — kabartma + oval köşe */
.urun-kart {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: #fff;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: var(--dark);
  box-shadow:
    0 2px 4px rgba(0,0,0,.06),
    0 6px 18px rgba(0,0,0,.10),
    0 1px 2px rgba(255,255,255,.8) inset;
  transition: transform .3s ease, box-shadow .3s ease;
}
.urun-kart:hover {
  transform: translateY(-6px);
  box-shadow:
    0 4px 8px rgba(0,0,0,.08),
    0 18px 40px rgba(0,0,0,.16),
    0 1px 2px rgba(255,255,255,.8) inset;
}

/* Resim kabı — 9:5 oran (900×500) */
.urun-kart-img {
  width: 100%;
  aspect-ratio: 9 / 5;
  overflow: hidden;
  border-radius: 18px 18px 0 0;
  background: linear-gradient(135deg, #1b1f29, #2d3142);
}
.urun-kart-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}
.urun-kart:hover .urun-kart-img img { transform: scale(1.05); }

/* Başlık — resmin altında */
.urun-kart-baslik {
  padding: 11px 14px 12px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--dark);
  text-align: center;
  letter-spacing: .2px;
  border-top: 1px solid #f0f0f0;
}

/* Resim yoksa placeholder */
.urun-kart-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1b1f29, #2d3142);
  font-size: 36px;
}

/* ── VEN MEDYA / REKLAM ── */
.reklam-section { padding: 56px 0; background: #f9f9f9; }
.reklam-section .bolum-baslik { margin-bottom: 28px; }
.reklam-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; }
.reklam-baslik-col h2 {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700; color: var(--text); margin-bottom: 10px;
}
.reklam-baslik-col p { color: var(--text-muted); font-size: 15px; line-height: 1.7; }
.reklam-banner {
  position: relative; border-radius: 10px;
  overflow: hidden; box-shadow: 0 8px 32px rgba(0,0,0,.12);
}
.reklam-banner img { width: 100%; display: block; border-radius: 10px; }
.reklam-banner-placeholder {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  border-radius: 10px;
  border: 2px dashed #a5d6a7;
  text-align: center; padding: 32px;
}
.reklam-banner-placeholder .reklam-icerik {
  background: rgba(255,255,255,.92);
  border-radius: 8px; padding: 28px 36px;
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  text-align: center;
}
.reklam-banner-placeholder h3 {
  font-size: 18px; font-weight: 800; color: #1b1f29;
  text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px;
}
.reklam-banner-placeholder p { font-size: 12px; color: #6b7280; }
.reklam-logo-ven {
  font-size: 28px; font-weight: 900; color: var(--primary);
  letter-spacing: -1px; margin-top: 8px;
}

/* ── CTA BÖLÜMÜ ── */
.cta-section {
  padding: 72px 0;
  background: #fff;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 700; color: var(--text);
  line-height: 1.35; margin-bottom: 16px;
}
.cta-phone {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800; color: var(--text);
  margin-bottom: 18px;
}
.cta-desc {
  font-size: 14px; color: var(--text-muted);
  line-height: 1.8; margin-bottom: 28px;
}
.btn-cta {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 12px 36px;
  border-radius: var(--radius);
  font-size: 14px; font-weight: 700;
  letter-spacing: .5px;
  transition: background .2s, transform .2s;
}
.btn-cta:hover { background: #1b18d0; color: #fff; transform: translateY(-2px); }

/* ── HİZMETLER SAYFASI ── */
.hizmetler-section { padding: 64px 0; background: #fff; }
.hizmetler-bolum-baslik {
  text-align: center;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700; color: var(--text);
  margin-bottom: 48px;
}
.hizmetler-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px 40px;
}
.hizmet-item { }
.hizmet-numara {
  font-size: 13px; font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.hizmet-numara::after {
  content: ''; flex: 1;
  height: 1px; background: var(--border);
}
.hizmet-item h3 {
  font-size: 16px; font-weight: 700;
  color: var(--text); margin-bottom: 8px;
}
.hizmet-item p {
  font-size: 13px; color: var(--text-muted);
  line-height: 1.7;
}

/* ── HAKKIMIZDA SAYFASI ── */
.hakkimizda-section { padding: 64px 0; }
.hakkimizda-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.hakkimizda-content h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700; color: var(--text);
  line-height: 1.3; margin-bottom: 24px;
}
.hakkimizda-content p {
  font-size: 15px; color: var(--text-muted);
  line-height: 1.85; margin-bottom: 16px;
}
.hakkimizda-resim img {
  width: 100%; border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}
.hakkimizda-resim-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--dark), #2925f4);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.hakkimizda-resim-placeholder .logo-text {
  font-size: 48px;
}

/* ── İLETİŞİM SAYFASI ── */
.iletisim-section { padding: 64px 0; }
.iletisim-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.iletisim-bilgi { }
.iletisim-item {
  display: flex; align-items: flex-start;
  gap: 14px; margin-bottom: 28px;
}
.iletisim-item-ico {
  width: 42px; height: 42px; min-width: 42px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 16px;
}
.iletisim-item-icerik label {
  display: block;
  font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 4px;
}
.iletisim-item-icerik p {
  font-size: 15px; font-weight: 600; color: var(--text);
  line-height: 1.5;
}
.sosyal-takip { margin-top: 28px; }
.sosyal-takip label {
  display: block; font-size: 11px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 12px;
}
.sosyal-takip-ikonlar { display: flex; gap: 12px; }
.sosyal-takip-ikonlar a {
  width: 40px; height: 40px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: var(--text);
  transition: all .2s;
}
.sosyal-takip-ikonlar a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.harita-container { border-radius: 8px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,.1); }
.harita-container iframe { display: block; }
.iletisim-form { background: var(--gray); border-radius: 8px; padding: 32px; }
.iletisim-form h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.form-grup { margin-bottom: 16px; }
.form-grup label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; color: var(--text); }
.form-grup input, .form-grup textarea, .form-grup select {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 14px; font-family: inherit; background: #fff;
  transition: border-color .2s;
}
.form-grup input:focus, .form-grup textarea:focus { outline: none; border-color: var(--primary); }
.form-grup textarea { height: 120px; resize: vertical; }
.btn-gonder {
  width: 100%; padding: 13px;
  background: var(--primary); color: #fff;
  border: none; border-radius: var(--radius);
  font-size: 14px; font-weight: 700; cursor: pointer;
  font-family: inherit; transition: background .2s;
}
.btn-gonder:hover { background: #1b18d0; }
.form-mesaj { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.form-basari { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.form-hata   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ── FOOTER ── */
#footer {
  background: var(--dark2);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 220px 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo-col .footer-logo { margin-bottom: 0; }
.footer-col h4 {
  font-size: 13px; font-weight: 700;
  color: var(--white);
  margin-bottom: 18px;
  text-transform: uppercase; letter-spacing: .5px;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul li a {
  font-size: 13px; color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--white); }
.iletisim-list li {
  display: flex; align-items: flex-start;
  gap: 10px; font-size: 13px;
  color: rgba(255,255,255,.55);
  margin-bottom: 10px;
}
.iletisim-list li i { color: var(--primary); margin-top: 2px; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 16px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between;
  font-size: 12px; color: rgba(255,255,255,.3);
}

/* ── ÜRÜN GRUPLARI SAYFASI ── */
.urun-gruplari-page { padding: 64px 0; }
.urun-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.urun-page-kart {
  position: relative; border-radius: var(--radius);
  overflow: hidden; cursor: pointer;
  aspect-ratio: 4/3;
  background: var(--dark2);
  transition: transform .3s, box-shadow .3s;
}
.urun-page-kart:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.15); }
.urun-page-kart img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.urun-page-kart:hover img { transform: scale(1.05); }
.urun-page-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.7) 0%, transparent 60%);
}
.urun-page-baslik {
  position: absolute; bottom: 16px; left: 16px; right: 16px;
  color: #fff; font-size: 15px; font-weight: 700;
}

/* ── ALERT / DURUM ── */
.alert { padding: 14px 18px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

/* ── RESPONSİVE ── */
@media (max-width: 1100px) {
  .urun-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 1024px) {
  .hizmetler-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .urun-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .hizmetler-grid { grid-template-columns: repeat(2, 1fr); }
  .hakkimizda-grid { grid-template-columns: 1fr; }
  .iletisim-grid { grid-template-columns: 1fr; }
  .reklam-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-content { padding: 60px 0; }
}
@media (max-width: 480px) {
  .urun-grid { grid-template-columns: 1fr; gap: 14px; }
  .urun-kart-baslik { font-size: 14px; padding: 12px 16px 14px; }
  .hizmetler-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}