/* =========================================================
   AKAL BİLİŞİM - SATIŞ SİTESİ / ÜYELİK / YÖNETİM ORTAK TEMA
   Lacivert-mavi-mor gradyan koyu tema (index.html şablonu esaslı)
========================================================= */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #03050b;
    --bg2: #070b16;
    --card: rgba(10, 17, 32, 0.62);
    --card2: rgba(10, 17, 32, 0.85);
    --border: rgba(74, 154, 255, 0.18);
    --blue: #159cff;
    --cyan: #00d9ff;
    --purple: #7c4dff;
    --pos: #a855f7; /* Sanal POS mor teması */
    --text: #f5f8ff;
    --muted: #8d9ab2;
    --green: #34d399;
    --red: #f87171;
    --amber: #fbbf24;
}

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 15%, rgba(0, 132, 255, .12), transparent 28%),
        radial-gradient(circle at 85% 25%, rgba(108, 55, 255, .12), transparent 30%),
        radial-gradient(circle at 50% 100%, rgba(0, 174, 255, .08), transparent 35%),
        var(--bg);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -3;
    opacity: .25;
    background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: linear-gradient(to bottom, black, transparent 90%);
}

a { color: inherit; text-decoration: none; }

/* ================= HERDER ================= */
.site-header {
    width: 100%;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(3, 5, 11, .78);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.05);
}
.site-header-inner {
    max-width: 1400px;
    margin: auto;
    padding: 18px 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 13px;
    color: white;
}
.logo-symbol {
    display: block;
    width: auto;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: -0.7px; }
.logo-text span { color: #2baaff; }
.logo-sub { display: block; margin-top: 2px; font-size: 10px; color: #7e8ba4; letter-spacing: 2px; text-transform: uppercase; }

.nav { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.nav a { color: #aeb9cc; font-size: 14px; transition: .3s; position: relative; }
.nav a::after {
    content: ""; position: absolute; left: 0; bottom: -8px;
    width: 0; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--purple));
    transition: .3s;
}
.nav a:hover { color: white; }
.nav a:hover::after { width: 100%; }
.nav a.aktif { color: white; }
.nav a.aktif::after { width: 100%; }

/* ================= BUTONLAR ================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 24px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: .3s;
    border: none;
    color: white;
}
.btn-gradient { background: linear-gradient(135deg, #119cf5, #634bff); box-shadow: 0 8px 25px rgba(45,106,255,.25); }
.btn-gradient:hover { transform: translateY(-2px); box-shadow: 0 10px 38px rgba(45,106,255,.5); }
.btn-purple { background: linear-gradient(135deg, #a855f7, #7c3aed); box-shadow: 0 8px 25px rgba(168,85,247,.25); }
.btn-purple:hover { transform: translateY(-2px); box-shadow: 0 10px 38px rgba(168,85,247,.5); }
.btn-ghost { background: transparent; border: 1px solid rgba(74,154,255,.35); color: #dfe9ff; }
.btn-ghost:hover { border-color: rgba(0,191,255,.8); color: white; }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: 13px; }

/* ================= SECTIONS / KONTEYNER ================= */
.container { max-width: 1400px; margin: auto; padding: 0 6%; }
.section { padding: 70px 0; }
.section-title { font-size: clamp(26px, 3.6vw, 36px); letter-spacing: -0.5px; font-weight: 800; margin-bottom: 14px; font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif; line-height: 1.2; }
.gradient-text {
    background: linear-gradient(90deg, #00bfff, #258dff, #7254ff, #00cfff);
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientMove 6s linear infinite;
}
@keyframes gradientMove { to { background-position: 300% center; } }
.section-sub { color: var(--muted); font-size: 16px; line-height: 1.7; max-width: 720px; margin-bottom: 40px; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ================= HERO ================= */
.hero {
    max-width: 1400px;
    margin: auto;
    padding: 60px 6%;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 50px;
}
.hero h1 { font-size: clamp(32px, 4.2vw, 50px); line-height: 1.1; letter-spacing: -1px; font-weight: 800; font-family: 'Poppins', 'Segoe UI', Tahoma, sans-serif; }
.hero .description { max-width: 660px; margin-top: 22px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.badge {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 9px 15px; border-radius: 50px;
    border: 1px solid rgba(0,157,255,.3); background: rgba(0,130,255,.08);
    color: #53baff; font-size: 12px; font-weight: 700; letter-spacing: .5px;
    margin-bottom: 24px;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: #18b8ff; box-shadow: 0 0 12px #18b8ff; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{transform:scale(1);opacity:1;} 50%{transform:scale(.55);opacity:.5;} }

/* ================= KARTLAR ================= */
.card {
    border: 1px solid var(--border);
    border-radius: 18px;
    background: var(--card);
    backdrop-filter: blur(12px);
    padding: 24px;
    transition: .35s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(40,180,255,.55); box-shadow: 0 20px 50px rgba(0,136,255,.12); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.feature-icon {
    width: 52px; height: 52px; border-radius: 14px;
    display: grid; place-items: center;
    color: #e6edf7; stroke: currentColor;
    border: 1px solid rgba(150, 175, 210, .22); background: rgba(130, 155, 195, .10);
    margin-bottom: 17px; transition: .3s;
}
.card:hover .feature-icon {
    color: #ffffff;
    background: rgba(0, 155, 255, .14);
    border-color: rgba(0, 180, 255, .35);
}

/* ================= FOOTER ================= */
.site-footer {
    max-width: 1400px;
    margin: auto;
    padding: 34px 6%;
    width: 100%;
    border-top: 1px solid rgba(255,255,255,.05);
    margin-top: 40px;
}
.footer-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; padding-bottom: 26px; }
.footer-col h4 { font-size: 14px; margin-bottom: 14px; color: #e6eeff; }
.footer-col a { display: block; color: var(--muted); font-size: 13px; margin-bottom: 9px; transition: .3s; }
.footer-col a:hover { color: white; }
.footer-bottom { color: #56647b; font-size: 11px; letter-spacing: 1px; text-align: center; border-top: 1px solid rgba(255,255,255,.05); padding-top: 20px; }

/* ================= FORM ================= */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 700; color: #dfe9ff; margin-bottom: 8px; }
.form-control {
    width: 100%; padding: 13px 16px; border-radius: 12px;
    border: 1px solid rgba(74,154,255,.25); background: rgba(7,12,23,.7);
    color: white; font-size: 14px; outline: none; transition: .3s;
}
.form-control:focus { border-color: rgba(0,191,255,.8); box-shadow: 0 0 30px rgba(0,145,255,.12); }
.form-control::placeholder { color: #63718a; }
select.form-control option { background: #0a1120; color: white; }

/* ================= TABLO ================= */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; background: var(--card); }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; padding: 14px 18px; color: #aeb9cc; font-size: 12px; letter-spacing: .5px; text-transform: uppercase; border-bottom: 1px solid rgba(255,255,255,.07); background: rgba(255,255,255,.02); }
table.data td { padding: 13px 18px; border-bottom: 1px solid rgba(255,255,255,.05); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data tr:hover td { background: rgba(45,156,255,.04); }

/* ================= BADGE DURUM ================= */
.etiket { display: inline-block; padding: 4px 11px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.etiket-yesil { background: rgba(52,211,153,.15); color: #34d399; }
.etiket-kirmizi { background: rgba(248,113,113,.15); color: #f87171; }
.etiket-sari { background: rgba(251,191,36,.15); color: #fbbf24; }
.etiket-mavi { background: rgba(59,130,246,.15); color: #60a5fa; }
.etiket-mor { background: rgba(168,85,247,.15); color: #a855f7; }

/* ================= UYARILAR ================= */
.alert { padding: 14px 18px; border-radius: 12px; font-size: 14px; margin-bottom: 20px; line-height: 1.6; }
.alert-hata { background: rgba(248,113,113,.12); border: 1px solid rgba(248,113,113,.3); color: #fca5a5; }
.alert-basarili { background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.3); color: #6ee7b7; }
.alert-bilgi { background: rgba(59,130,246,.12); border: 1px solid rgba(59,130,246,.3); color: #93c5fd; }

/* ================= ÜRÜN/DETAY ================= */
.urun-kutu { border-top: 1px solid rgba(255,255,255,.06); padding: 30px 28px; }
.onem-cifti { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 16px; color: #cbd6ea; font-size: 15px; line-height: 1.7; }
.onem-cifti .tik { color: #7cd8a8; width: 22px; height: 22px; border-radius: 50%; background: rgba(52,211,153,.12); border: 1px solid rgba(52,211,153,.3); display: grid; place-items: center; flex-shrink: 0; margin-top: 2px; }

/* ================= PAKET / FİYAT ================= */
.fiyat-karti { text-align: center; position: relative; overflow: hidden; }
.fiyat-karti.populer { border-color: rgba(168,85,247,.6); box-shadow: 0 0 50px rgba(168,85,247,.18); }
.fiyat-karti .fiyat { font-size: 44px; font-weight: 850; letter-spacing: -1.5px; color: white; margin: 12px 0 6px; }
.fiyat-karti .fiyat small { font-size: 16px; color: var(--muted); font-weight: 600; }
.fiyat-karti ul { list-style: none; text-align: left; margin: 20px 0; }
.fiyat-karti ul li { color: #cbd6ea; font-size: 14px; padding: 7px 0; display: flex; gap: 10px; align-items: flex-start; }
.fiyat-karti ul li::before { content: "✓"; color: #34d399; font-weight: 800; }
.poluet { position: absolute; top: 14px; right: 14px; background: linear-gradient(135deg,#a855f7,#7c3aed); padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 800; }

/* ================= RESPONSIVE ================= */
.menubtn { background: none; border: 1px solid rgba(74,154,255,.3); color: white; padding: 8px 14px; border-radius: 10px; font-size: 18px; cursor: pointer; display: none; }

@media (max-width: 1000px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .hero { grid-template-columns: 1fr; padding-top: 30px; }
    .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(4,7,15,.97); flex-direction: column; padding: 20px 6%; gap: 18px; }
    .nav.acik { display: flex; }
    .menubtn { display: block; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .grid-4, .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 30px 5%; }
    .site-header-inner, .container { padding-left: 5%; padding-right: 5%; }
}