/*
Theme Name: Artun Bilisim Pro
Theme URI: https://artunbilisim.com
Author: Artun Bilisim Dev Team
Description: 2026 Premium Kurumsal Teknoloji ve Otomasyon Temasi
Version: 3.0.2
Text Domain: artunbilisim
*/

:root {
    --primary: #071A33;
    --primary-dark: #0B2A4A;
    --accent: #146EF5;
    --accent-hover: #0D5FDB;
    --bg-light: #EEF6FF;
    --white: #FFFFFF;
    --text-dark: #101828;
    --text-muted: #667085;
    --border-color: #E4E7EC;
    --bg-alt: #F8FAFC;
    --success: #12B76A;
    --warning: #F79009;
    --shadow-soft: 0 10px 30px rgba(7, 26, 51, 0.08);
    --shadow-lg: 0 20px 40px rgba(7, 26, 51, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 1. Header & Mega Menu */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    height: 80px;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.site-logo img {
    height: 40px;
    width: auto;
    display: block;
}

.main-navigation {
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-navigation > li > a {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    padding: 8px 0;
}

.main-navigation > li > a:hover {
    color: var(--accent);
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 40px 0;
}

.has-mega-menu:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr) 1.2fr;
    gap: 32px;
}

.mega-col h4 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.mega-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mega-col ul a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.mega-col ul a:hover {
    color: var(--accent);
}

.mega-banner {
    background: var(--bg-alt);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.mega-banner h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.mega-banner p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Buton Sistemleri */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
    min-height: 44px;
    min-width: 44px;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(20, 110, 245, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* 2. Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0 96px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(20, 110, 245, 0.15);
    border: 1px solid rgba(20, 110, 245, 0.3);
    color: #6ea8fe;
    font-size: 13px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 56px;
    line-height: 1.15;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 18px;
    color: #94A3B8;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 14px;
    color: #94A3B8;
}

.hero-trust span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Dashboard Mockup */
.hero-visual {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 24px;
    backdrop-filter: blur(12px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

.dashboard-mockup {
    background: #0F172A;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid rgba(255,255,255,0.08);
}

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.metric-box {
    background: rgba(255,255,255,0.03);
    padding: 16px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}

.metric-box span {
    font-size: 12px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 4px;
}

.metric-box strong {
    font-size: 22px;
    color: var(--white);
}

/* Hero Trust Strip */
.trust-strip {
    background: var(--bg-alt);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.trust-item {
    background: var(--white);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
}

.trust-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--primary);
}

.trust-item p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Genel Section Yapisi */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
    padding: 0 16px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
}

/* Hizmetler Bolumu */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.service-card-body {
    padding: 32px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--bg-light);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary);
}

.service-card p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-link {
    font-weight: 600;
    font-size: 14px;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Sunucu Bolumu */
.server-section {
    background: var(--primary);
    color: var(--white);
}

.server-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.server-grid .section-header {
    text-align: left;
    margin: 0 0 32px 0;
    padding: 0;
}

.server-grid .section-header h2 {
    color: var(--white);
}

.server-grid .section-header p {
    color: #94A3B8;
}

.feature-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.feature-box {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
}

/* POS Bolumu */
.pos-section {
    background: var(--bg-alt);
}

.pos-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 64px;
    align-items: center;
}

.check-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 32px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 15px;
    color: var(--primary);
}

.check-item span {
    color: var(--success);
    font-weight: bold;
}

/* Restoran Otomasyonu Showcase */
.restaurant-showcase {
    text-align: center;
}

.enterprise-dashboard {
    background: var(--primary);
    border-radius: 24px;
    padding: 40px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    margin-top: 48px;
    text-align: left;
}

.dash-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 24px;
    margin-bottom: 32px;
}

.dash-metrics-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.dash-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 24px;
    border-radius: 16px;
}

.dash-card span {
    font-size: 13px;
    color: #94A3B8;
    display: block;
    margin-bottom: 8px;
}

.dash-card strong {
    font-size: 28px;
    font-weight: 800;
}

.dashboard-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 48px;
}

.df-item {
    background: var(--white);
    color: var(--text-dark);
    padding: 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

/* Isletme Cozumleri */
.industries-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.industry-card {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px 16px;
    text-align: center;
    font-weight: 700;
    font-size: 15px;
    color: var(--primary);
    transition: var(--transition);
}

.industry-card:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
    transform: translateY(-4px);
}

/* FAQ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.faq-question {
    padding: 20px 24px;
    font-weight: 700;
    font-size: 16px;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.final-cta h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
}

.final-cta p {
    font-size: 18px;
    color: #94A3B8;
    max-width: 600px;
    margin: 0 auto 36px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* Footer - Ferah ve Kurumsal Beyaz Tasarim */
.site-footer {
    background: #FFFFFF;
    color: var(--text-muted);
    padding: 80px 0 32px;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.02);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
    color: var(--text-muted);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col ul a {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
}

/* Sabit WhatsApp Butonu */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: #FFF;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Mobil Sticky Bar (Sadece mobilde aktif) */
.mobile-sticky-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    border-top: 1px solid var(--border-color);
    z-index: 998;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

.mobile-sticky-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.mobile-sticky-grid a {
    padding: 14px 0;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary);
    border-right: 1px solid var(--border-color);
}

.mobile-sticky-grid a:last-child {
    border-right: none;
    color: var(--accent);
}

/* Responsive Kurallar & Mobil Tam Uyum */
@media (max-width: 1024px) {
    .services-grid, .trust-strip-grid, .dashboard-features-grid, .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-grid, .server-grid, .pos-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .dash-metrics-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .main-navigation, .header-cta-group {
        display: none;
    }
    .services-grid, .trust-strip-grid, .dashboard-features-grid, .footer-grid, .feature-grid-2x2, .dash-metrics-4, .industries-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 36px;
    }
    .section-header h2 {
        font-size: 28px;
    }
    .hero-buttons, .cta-buttons {
        flex-direction: column;
    }
    .btn {
        width: 100%;
    }
    .mobile-sticky-bar {
        display: block;
    }
    body {
        padding-bottom: 60px;
    }
    .container {
        padding: 0 16px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}