/* =========================================================
   VELPAR Otomotiv — Kurumsal Beyaz Tema
   ========================================================= */
:root {
    --lacivert:      #0b3d91;
    --lacivert-koyu: #082b66;
    --turuncu:       #f0672a;
    --metin:         #1e2a3a;
    --metin-soluk:   #5c6b7f;
    --cizgi:         #e4e9f0;
    --zemin:         #ffffff;
    --zemin-gri:     #f6f8fb;
    --golge:         0 4px 24px rgba(11, 61, 145, 0.08);
    --radius:        10px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
    color: var(--metin);
    background: var(--zemin);
    line-height: 1.65;
}

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

.container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Butonlar ---------- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    transition: all .25s ease;
    border: 2px solid transparent;
    cursor: pointer;
}
.btn-primary { background: var(--lacivert); color: #fff; }
.btn-primary:hover { background: var(--lacivert-koyu); transform: translateY(-2px); }
.btn-outline { border-color: var(--lacivert); color: var(--lacivert); background: transparent; }
.btn-outline:hover { background: var(--lacivert); color: #fff; }
.btn-light { background: #fff; color: var(--lacivert); }
.btn-light:hover { background: var(--zemin-gri); transform: translateY(-2px); }

/* ---------- Topbar ---------- */
.topbar {
    background: var(--lacivert-koyu);
    color: rgba(255,255,255,.85);
    font-size: 13px;
    padding: 8px 0;
}
.topbar-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }
.topbar-left { display: flex; gap: 12px; align-items: center; }
.topbar-sep { opacity: .4; }

/* ---------- Header ---------- */
.header {
    background: #fff;
    border-bottom: 1px solid var(--cizgi);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    gap: 24px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
    width: 44px; height: 44px;
    background: var(--lacivert);
    color: #fff;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; font-weight: 800;
}
.logo-text {
    font-size: 22px; font-weight: 800; color: var(--lacivert);
    letter-spacing: 1px; line-height: 1.1;
    display: flex; flex-direction: column;
}
.logo-text small {
    font-size: 10px; font-weight: 600; color: var(--metin-soluk);
    letter-spacing: 4px;
}
.nav { display: flex; gap: 4px; }
.nav a {
    padding: 10px 16px;
    font-weight: 600;
    font-size: 15px;
    color: var(--metin);
    border-radius: 8px;
    transition: all .2s;
}
.nav a:hover { color: var(--lacivert); background: var(--zemin-gri); }
.nav a.aktif { color: var(--lacivert); background: #eaf0fa; }

.hamburger { display: none; background: none; border: none; flex-direction: column; gap: 5px; padding: 8px; }
.hamburger span { width: 26px; height: 3px; background: var(--lacivert); border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
    background: linear-gradient(135deg, #f6f8fb 0%, #eaf0fa 100%);
    padding: 90px 0;
    overflow: hidden;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: center; }
.hero-badge {
    display: inline-block;
    background: #fff;
    color: var(--lacivert);
    border: 1px solid var(--cizgi);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: 46px;
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 20px;
}
.hero h1 span { color: var(--lacivert); }
.hero p { font-size: 18px; color: var(--metin-soluk); margin-bottom: 32px; max-width: 520px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-gorsel {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--golge);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-gorsel svg, .hero-gorsel img { width: 100%; height: auto; }

/* ---------- İstatistik şeridi ---------- */
.stats {
    background: var(--lacivert);
    color: #fff;
    padding: 44px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-num { font-size: 40px; font-weight: 800; }
.stat-num em { font-style: normal; color: var(--turuncu); }
.stat-label { font-size: 14px; opacity: .8; margin-top: 4px; }

/* ---------- Bölüm başlıkları ---------- */
.section { padding: 88px 0; }
.section-gri { background: var(--zemin-gri); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head .ust-baslik {
    color: var(--turuncu);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.section-head h2 { font-size: 34px; font-weight: 800; margin: 10px 0 14px; }
.section-head p { color: var(--metin-soluk); font-size: 16px; }

/* ---------- Kartlar ---------- */
.kart-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.kart-grid-3 { grid-template-columns: repeat(3, 1fr); }

.kart {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    padding: 32px 26px;
    transition: all .3s ease;
}
.kart:hover { box-shadow: var(--golge); transform: translateY(-6px); border-color: transparent; }
.kart-ikon {
    width: 56px; height: 56px;
    background: #eaf0fa;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    margin-bottom: 20px;
}
.kart h3 { font-size: 19px; margin-bottom: 10px; }
.kart p { color: var(--metin-soluk); font-size: 14.5px; }

/* ---------- Ürün kartları ---------- */
.urun-kart {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .3s ease;
    display: flex;
    flex-direction: column;
}
.urun-kart:hover { box-shadow: var(--golge); transform: translateY(-6px); }
.urun-resim {
    background: var(--zemin-gri);
    padding: 28px;
    display: flex; align-items: center; justify-content: center;
    height: 190px;
}
.urun-resim img, .urun-resim svg { max-height: 100%; width: auto; }
.urun-icerik { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.urun-kategori {
    font-size: 12px; font-weight: 700; color: var(--turuncu);
    text-transform: uppercase; letter-spacing: 1px;
}
.urun-icerik h3 { font-size: 17px; margin: 6px 0 8px; }
.urun-icerik p { font-size: 13.5px; color: var(--metin-soluk); flex: 1; }
.urun-kod { font-size: 12px; color: var(--metin-soluk); margin-top: 12px; font-family: Consolas, monospace; }
.urun-link { margin-top: 14px; color: var(--lacivert); font-weight: 600; font-size: 14px; }
.urun-link:hover { text-decoration: underline; }

/* ---------- Kategori filtre ---------- */
.filtre-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 44px; }
.filtre-bar a {
    padding: 9px 22px;
    border-radius: 100px;
    border: 1px solid var(--cizgi);
    font-size: 14px;
    font-weight: 600;
    color: var(--metin-soluk);
    background: #fff;
    transition: all .2s;
}
.filtre-bar a:hover { border-color: var(--lacivert); color: var(--lacivert); }
.filtre-bar a.aktif { background: var(--lacivert); color: #fff; border-color: var(--lacivert); }

/* ---------- Sayfa başlığı (iç sayfalar) ---------- */
.sayfa-baslik {
    background: linear-gradient(135deg, var(--lacivert) 0%, var(--lacivert-koyu) 100%);
    color: #fff;
    padding: 64px 0;
    text-align: center;
}
.sayfa-baslik h1 { font-size: 38px; font-weight: 800; }
.sayfa-baslik .kirinti { margin-top: 10px; font-size: 14px; opacity: .75; }
.sayfa-baslik .kirinti a:hover { text-decoration: underline; }

/* ---------- Hakkımızda ---------- */
.iki-kolon { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.iki-kolon h2 { font-size: 30px; margin-bottom: 18px; }
.iki-kolon p { color: var(--metin-soluk); margin-bottom: 14px; }
.ozellik-listesi li {
    padding: 10px 0 10px 34px;
    position: relative;
    font-weight: 500;
}
.ozellik-listesi li::before {
    content: "✓";
    position: absolute; left: 0;
    width: 24px; height: 24px;
    background: #e6f4ea; color: #1b7f3b;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 800;
    top: 12px;
}
.deger-kutu {
    background: #fff;
    border-left: 4px solid var(--turuncu);
    border-radius: var(--radius);
    box-shadow: var(--golge);
    padding: 26px;
}
.deger-kutu h3 { margin-bottom: 8px; font-size: 18px; }
.deger-kutu p { font-size: 14.5px; color: var(--metin-soluk); margin: 0; }
.deger-dizi { display: grid; gap: 20px; }

/* ---------- Zaman çizelgesi ---------- */
.zaman { max-width: 760px; margin: 0 auto; position: relative; padding-left: 34px; }
.zaman::before {
    content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
    width: 2px; background: var(--cizgi);
}
.zaman-madde { position: relative; padding-bottom: 34px; }
.zaman-madde::before {
    content: ""; position: absolute; left: -32px; top: 6px;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--turuncu); border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--turuncu);
}
.zaman-yil { font-weight: 800; color: var(--lacivert); font-size: 18px; }
.zaman-madde p { color: var(--metin-soluk); font-size: 15px; margin-top: 4px; }

/* ---------- Üretim / süreç ---------- */
.surec-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: surec; }
.surec-adim {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    padding: 30px 24px;
    position: relative;
    counter-increment: surec;
}
.surec-adim::before {
    content: "0" counter(surec);
    font-size: 44px; font-weight: 800;
    color: #eaf0fa;
    position: absolute; top: 14px; right: 20px;
    line-height: 1;
}
.surec-adim h3 { font-size: 17px; margin-bottom: 8px; position: relative; }
.surec-adim p { font-size: 14px; color: var(--metin-soluk); position: relative; }

.sertifika-grid { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; }
.sertifika {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    padding: 22px 34px;
    text-align: center;
    font-weight: 700;
    color: var(--lacivert);
    min-width: 180px;
}
.sertifika small { display: block; font-weight: 500; color: var(--metin-soluk); font-size: 12.5px; margin-top: 4px; }

/* ---------- Ürün detay ---------- */
.detay-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.detay-resim {
    background: var(--zemin-gri);
    border-radius: var(--radius);
    padding: 48px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--cizgi);
}
.detay-resim img { max-height: 320px; }
.detay-bilgi .urun-kategori { font-size: 13px; }
.detay-bilgi h1 { font-size: 32px; margin: 8px 0 6px; }
.detay-bilgi .kod { font-family: Consolas, monospace; color: var(--metin-soluk); margin-bottom: 20px; }
.detay-bilgi > p { color: var(--metin-soluk); margin-bottom: 26px; }
.detay-ozellik { background: var(--zemin-gri); border-radius: var(--radius); padding: 24px; margin-bottom: 26px; }
.detay-ozellik h3 { font-size: 16px; margin-bottom: 12px; }
.detay-ozellik li { padding: 6px 0 6px 26px; position: relative; font-size: 14.5px; }
.detay-ozellik li::before { content: "▸"; position: absolute; left: 6px; color: var(--turuncu); font-weight: 700; }

/* ---------- CTA bandı ---------- */
.cta-band {
    background: linear-gradient(135deg, var(--lacivert) 0%, var(--lacivert-koyu) 100%);
    color: #fff;
    border-radius: 18px;
    padding: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
}
.cta-band h2 { font-size: 28px; margin-bottom: 8px; }
.cta-band p { opacity: .85; }

/* ---------- İletişim ---------- */
.iletisim-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: start; }
.iletisim-kart {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 18px;
}
.iletisim-kart .kart-ikon { margin: 0; flex-shrink: 0; width: 48px; height: 48px; font-size: 22px; }
.iletisim-kart h3 { font-size: 16px; margin-bottom: 4px; }
.iletisim-kart p { font-size: 14.5px; color: var(--metin-soluk); }

.form-kutu {
    background: #fff;
    border: 1px solid var(--cizgi);
    border-radius: var(--radius);
    box-shadow: var(--golge);
    padding: 36px;
}
.form-kutu h2 { font-size: 24px; margin-bottom: 24px; }
.form-satir { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grup { margin-bottom: 18px; }
.form-grup label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 7px; }
.form-grup input, .form-grup textarea, .form-grup select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--cizgi);
    border-radius: 8px;
    font-family: inherit;
    font-size: 15px;
    transition: border-color .2s, box-shadow .2s;
    background: #fff;
    color: var(--metin);
}
.form-grup input:focus, .form-grup textarea:focus, .form-grup select:focus {
    outline: none;
    border-color: var(--lacivert);
    box-shadow: 0 0 0 3px rgba(11,61,145,.12);
}
.form-grup textarea { resize: vertical; min-height: 130px; }

.uyari {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-size: 15px;
    font-weight: 500;
}
.uyari-basari { background: #e6f4ea; color: #1b7f3b; border: 1px solid #bfe3cb; }
.uyari-hata   { background: #fdecea; color: #b3261e; border: 1px solid #f5c6c2; }

.harita-kutu {
    margin-top: 56px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--cizgi);
    background: var(--zemin-gri);
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--metin-soluk);
    flex-direction: column;
    gap: 8px;
}

/* ---------- Footer ---------- */
.footer { background: #0d1b2e; color: rgba(255,255,255,.75); padding-top: 64px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 48px;
}
.logo-footer .logo-text { color: #fff; }
.logo-footer .logo-text small { color: rgba(255,255,255,.5); }
.footer-desc { font-size: 14px; margin-top: 16px; line-height: 1.7; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; font-size: 14px; }
.footer-col ul a:hover { color: #fff; }
.footer-iletisim li { line-height: 1.6; }
.footer-alt { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; }
.footer-alt-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; opacity: .7; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero-inner, .iki-kolon, .detay-grid, .iletisim-grid { grid-template-columns: 1fr; }
    .kart-grid, .surec-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .hero h1 { font-size: 36px; }
    .hero-gorsel { max-width: 480px; margin: 0 auto; }
}

@media (max-width: 720px) {
    .nav {
        display: none;
        position: absolute;
        top: 76px; left: 0; right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--cizgi);
        box-shadow: 0 12px 24px rgba(0,0,0,.08);
    }
    .nav.acik { display: flex; }
    .hamburger { display: flex; }
    .header-cta { display: none; }
    .kart-grid, .surec-grid { grid-template-columns: 1fr; }
    .form-satir { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .hero { padding: 56px 0; }
    .hero h1 { font-size: 30px; }
    .cta-band { padding: 36px 28px; }
    .topbar-right { display: none; }
}