/* ==========================================================================
   SHD TAKİP SİSTEMİ — LANDING PAGE CSS
   Karşılama sayfasına özel stiller.
   Renk paleti: #163355 (koyu mavi), #64b5f6 (açık mavi), #42a5f5 (mavi)
   ========================================================================== */


/* ==========================================================================
   1. GENEL & TIPOGRAFI
   ========================================================================== */

html {
    scroll-behavior: smooth;
}

body.landing-body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #1e293b;
    background: #ffffff;
    overflow-x: hidden;
}

.landing-section {
    padding: 5rem 0;
}

.section-title {
    font-weight: 800;
    color: #163355;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: #475569;
    font-size: 1.1rem;
    max-width: 650px;
    margin: 0 auto 3rem;
}

.text-accent {
    color: #1e88e5;
}

.text-brand {
    color: #163355;
}


/* ==========================================================================
   2. NAVBAR
   ========================================================================== */

.landing-navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(22, 51, 85, 0.08);
    transition: box-shadow 0.3s ease;
}

.landing-navbar.scrolled {
    box-shadow: 0 4px 20px rgba(22, 51, 85, 0.12);
}

.landing-navbar .navbar-brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: #163355;
}

.landing-navbar .navbar-brand span {
    color: #1e88e5;
}

.landing-navbar .nav-link {
    color: #475569;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.landing-navbar .nav-link:hover {
    color: #163355;
    background: rgba(22, 51, 85, 0.05);
}


/* ==========================================================================
   3. HERO BÖLÜMÜ
   ========================================================================== */

.hero-section {
    background: linear-gradient(160deg, #f0f7ff 0%, #e3f2fd 40%, #ffffff 100%);
    padding: 7rem 0 5rem;
    position: relative;
    overflow: hidden;
}

/* Dekoratif arka plan şekilleri */
.hero-section::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -80px;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(30, 136, 229, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(22, 51, 85, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-title {
    font-weight: 900;
    font-size: 3rem;
    color: #163355;
    line-height: 1.2;
}

.hero-title .highlight {
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    color: #475569;
    font-size: 1.15rem;
    line-height: 1.8;
    max-width: 520px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(30, 136, 229, 0.08);
    color: #1e88e5;
    padding: 0.45rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(30, 136, 229, 0.15);
}

/* Hero görseli */
.hero-image-wrapper {
    position: relative;
}

.hero-image-wrapper img {
    border-radius: 16px;
    box-shadow: 0 25px 60px rgba(22, 51, 85, 0.18);
    transition: transform 0.4s ease;
}

.hero-image-wrapper:hover img {
    transform: translateY(-4px);
}

/* Görselin arkasındaki dekoratif çerçeve */
.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: -20px;
    bottom: -20px;
    border: 2px solid rgba(30, 136, 229, 0.15);
    border-radius: 20px;
    z-index: -1;
}

@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-section {
        padding: 5rem 0 3rem;
    }
    .hero-image-wrapper::before {
        display: none;
    }
}


/* ==========================================================================
   4. ÖZELLIK KARTLARI
   ========================================================================== */

.features-section {
    background: #ffffff;
}

.feature-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(22, 51, 85, 0.1);
    border-color: rgba(30, 136, 229, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

.feature-icon.bg-stock     { background: linear-gradient(135deg, #1e88e5, #42a5f5); }
.feature-icon.bg-finance   { background: linear-gradient(135deg, #2e7d32, #66bb6a); }
.feature-icon.bg-customer  { background: linear-gradient(135deg, #7b1fa2, #ba68c8); }
.feature-icon.bg-template  { background: linear-gradient(135deg, #e65100, #ff9800); }
.feature-icon.bg-report    { background: linear-gradient(135deg, #00838f, #26c6da); }
.feature-icon.bg-security  { background: linear-gradient(135deg, #c62828, #ef5350); }

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #163355;
}

.feature-card p {
    color: #64748b;
    font-size: 0.92rem;
    margin-bottom: 0;
}


/* ==========================================================================
   5. EKRAN GÖRÜNTÜLERİ (Showcase)
   ========================================================================== */

.showcase-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.showcase-item {
    margin-bottom: 5rem;
}

.showcase-item:last-child {
    margin-bottom: 0;
}

.showcase-image {
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(22, 51, 85, 0.12);
    transition: transform 0.4s ease;
    border: 1px solid #e2e8f0;
}

.showcase-image:hover {
    transform: scale(1.02);
}

.showcase-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.showcase-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #163355;
    margin-bottom: 0.75rem;
}

.showcase-desc {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.7;
}

.showcase-check {
    color: #475569;
    font-size: 0.9rem;
}

.showcase-check i {
    color: #1e88e5;
}


/* ==========================================================================
   6. İSTATİSTİK BÖLÜMÜ
   ========================================================================== */

.stats-section {
    background: linear-gradient(135deg, #163355 0%, #0a1929 100%);
    color: #ffffff;
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #64b5f6, #42a5f5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: rgba(227, 242, 253, 0.7);
    font-size: 0.95rem;
    font-weight: 500;
}


/* ==========================================================================
   7. CTA (Call to Action) BÖLÜMÜ
   ========================================================================== */

.cta-section {
    background: linear-gradient(135deg, #e3f2fd 0%, #f0f7ff 100%);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231e88e5' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}


/* ==========================================================================
   8. FOOTER
   ========================================================================== */

.landing-footer {
    background: #0a1929;
    color: rgba(227, 242, 253, 0.6);
    padding: 3rem 0 2rem;
}

.landing-footer a {
    color: rgba(227, 242, 253, 0.6);
    text-decoration: none;
    transition: color 0.2s;
}

.landing-footer a:hover {
    color: #64b5f6;
}

.footer-brand {
    font-weight: 800;
    font-size: 1.2rem;
    color: #e3f2fd;
}

.footer-brand span {
    color: #64b5f6;
}

.footer-divider {
    border-color: rgba(227, 242, 253, 0.1);
}


/* ==========================================================================
   9. BUTONLAR
   ========================================================================== */

.btn-landing-primary {
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    color: #ffffff;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-landing-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 136, 229, 0.35);
    color: #ffffff;
}

.btn-landing-outline {
    background: transparent;
    color: #163355;
    border: 2px solid #163355;
    padding: 0.7rem 1.8rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-landing-outline:hover {
    background: #163355;
    color: #ffffff;
}

.btn-navbar-login {
    background: linear-gradient(135deg, #1e88e5, #1565c0);
    color: #ffffff;
    border: none;
    padding: 0.45rem 1.3rem;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-navbar-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(30, 136, 229, 0.3);
    color: #ffffff;
}


/* ==========================================================================
   10. ANİMASYONLAR
   ========================================================================== */

/* Scroll ile görünür olan elemanlar için fade-in */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Ekran görüntüleri için sıralı gecikme */
.showcase-item:nth-child(even) .fade-up { transition-delay: 0.1s; }


/* ==========================================================================
   11. GİZLİLİK POLİTİKASI SAYFASI
   ========================================================================== */

.privacy-content h2 {
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

.privacy-content p,
.privacy-content li {
    color: #475569;
    line-height: 1.8;
}

.privacy-content ul {
    padding-left: 1.5rem;
}

.privacy-content ul li {
    margin-bottom: 0.4rem;
}

.privacy-content code {
    background: #f1f5f9;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.88rem;
    color: #163355;
}