/* ==========================================================================
   NISA COMPUTER - KURUMSAL RENK PALETİ VE RESPONSIVE STİL DOSYASI (2026)
   ========================================================================== */

:root {
    --navy-dark: #14244a;       /* Koyu Lacivert (Arka planlar ve footer için) */
    --navy-main: #1a3163;       /* Logodaki Ana Lacivert */
    --cyan-main: #2cb5d1;       /* Logodaki Canlı Turkuaz */
    --cyan-hover: #1f94ab;      /* Turkuaz Hover Etkisi */
    --light-gray: #f8f9fa;      /* Yumuşak Gri Arka Plan */
    --light-muted: #cbd5e1;     /* Okunabilir Soluk Metin Rengi */
}

/* Genel Font ve Sayfa Ayarları */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #334155;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Yardımcı Sınıflar (Utility Classes) */
.bg-navy { background-color: var(--navy-main) !important; }
.text-cyan { color: var(--cyan-main) !important; }
.bg-cyan { background-color: var(--cyan-main) !important; }
.text-light-muted { color: var(--light-muted) !important; }
.tracking-wide { letter-spacing: 1px; }
.text-sm { font-size: 0.9rem; }
.text-xs { font-size: 0.75rem; }
.b-cyan-2 { border: 2px solid var(--cyan-main); }
.b-cyan-3 { border-left: 4px solid var(--cyan-main) !important; }
.b-navy-1 { border-color: rgba(26, 49, 99, 0.15) !important; }
.max-w-600 { max-width: 600px; }
.min-h-250 { min-height: 250px; }

/* ========================================== */
/* HEADER & NAVIGATION (ORTAK ALAN)           */
/* ========================================== */
.site-header {
    border-bottom: 3px solid var(--cyan-main);
    transition: all 0.3s ease;
}

.brand-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.8) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 4px;
    transition: all 0.2s ease-in-out;
}

.navbar-nav .nav-link:hover, 
.navbar-nav .nav-link.active {
    color: #ffffff !important;
    background-color: rgba(44, 181, 209, 0.2);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(44, 181, 209, 0.4);
}

/* ========================================== */
/* BREADCRUMB / SAYFA ÜST BANNERI             */
/* ========================================== */
.page-title-section {
    background: linear-gradient(rgba(20, 36, 74, 0.9), rgba(26, 49, 99, 0.95)), url('../img/nisa-computer-banner.jpg') no-repeat center center;
    background-size: cover;
    border-bottom: 2px solid var(--cyan-main);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--light-muted);
}

/* ========================================== */
/* ANA SAYFA & HERO ALANI                     */
/* ========================================== */
.hero-section {
    background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-main) 100%);
    padding: 100px 0;
    position: relative;
    min-height: 550px;
}

.btn-cyan {
    background-color: var(--cyan-main);
    color: var(--navy-dark) !important;
    border: none;
    transition: background-color 0.2s ease;
}

.btn-cyan:hover {
    background-color: var(--cyan-hover);
}

.title-line {
    width: 60px;
    height: 3px;
    background-color: var(--cyan-main);
    margin-top: 10px;
    border-radius: 2px;
}

/* ========================================== */
/* HİZMETLERİMİZ SAYFASI VE KARTLAR           */
/* ========================================== */
.bg-light-gray { background-color: var(--light-gray); }

.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 8px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08) !important;
}

.icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.bg-soft-cyan { background-color: rgba(44, 181, 209, 0.12); }
.bg-soft-navy { background-color: rgba(26, 49, 99, 0.12); }

.icon-square {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.service-box {
    border-left: 3px solid transparent !important;
    transition: all 0.3s ease;
}

.service-box:hover {
    border-left: 3px solid var(--cyan-main) !important;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05) !important;
}

.process-step {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

/* ========================================== */
/* ÜRÜNLERİMİZ SAYFASI                        */
/* ========================================== */
.btn-outline-navy {
    color: var(--navy-main);
    border-color: var(--navy-main);
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-outline-navy:hover, 
.btn-outline-navy.active {
    background-color: var(--navy-main);
    color: #ffffff;
    border-color: var(--navy-main);
}

.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 8px;
    background-color: #ffffff;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(26, 49, 99, 0.1) !important;
}

.product-img-wrapper {
    position: relative;
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-img-wrapper img {
    transition: transform 0.5s ease;
}

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

.btn-navy-action {
    background-color: var(--navy-main);
    color: #ffffff;
    border: none;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn-navy-action:hover {
    background-color: var(--navy-dark);
    color: var(--cyan-main);
}

/* ========================================== */
/* İLETİŞİM SAYFASI FORMLARI & HARİTA         */
/* ========================================== */
.icon-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.custom-input {
    border: 1px solid #e2e8f0;
    padding: 0.65rem 0.9rem;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: all 0.2s ease-in-out;
}

.custom-input:focus {
    border-color: var(--cyan-main);
    box-shadow: 0 0 0 0.25rem rgba(44, 181, 209, 0.15);
    color: var(--navy-dark);
}

select.custom-input {
    color: #475569;
}

.contact-section .btn-navy-action {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

/* ========================================== */
/* ZENGİN FOOTER (ORTAK ALAN)                 */
/* ========================================== */
.site-footer {
    background-color: var(--navy-dark) !important;
    border-top: 4px solid var(--cyan-main);
}

.brand-logo-footer {
    height: 35px;
    width: auto;
}

.social-btn {
    width: 36px;
    height: 36px;
    background-color: rgba(255,255,255,0.05);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-btn:hover {
    background-color: var(--cyan-main);
    color: var(--navy-dark);
    transform: scale(1.1);
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--light-muted);
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
    font-size: 0.9rem;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--cyan-main);
    padding-left: 5px;
}