/* --- Değişkenler & Temel Ayarlar --- */
:root {
    --bg-dark: #030a16;
    --bg-card: #0a1526;
    --text-main: #e2e8f0;
    --text-muted: #94a3b8;
    --neon-blue: #00f0ff;
    --neon-blue-glow: rgba(0, 240, 255, 0.3);
    --neon-dark: #005f73;
    --circuit-line: rgba(0, 240, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    /* Devre kartı ızgara deseni arka planı */
    background-image: 
        linear-gradient(var(--circuit-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--circuit-line) 1px, transparent 1px);
    background-size: 40px 40px;
    background-attachment: fixed;
}

/* --- Navigasyon --- */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(3, 10, 22, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 15px;
    line-height: 1;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;

}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text span {
    color: var(--neon-blue);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 4px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 8px var(--neon-blue-glow);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
    position: relative;
    overflow: hidden;
}

/* Ortadaki parlama efekti */
.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, rgba(3, 10, 22, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    border-radius: 50%;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
    animation: fadeInDown 1s ease-out;
}

.hero h2 {
    font-size: 1.5rem;
    color: var(--neon-blue);
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero p {
    max-width: 600px;
    color: var(--text-muted);
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: transparent;
    color: var(--neon-blue);
    border: 1px solid var(--neon-blue);
    text-decoration: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.btn:hover {
    background: var(--neon-blue);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--neon-blue-glow);
}

/* --- Hizmetler Section --- */
.section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(10, 21, 38, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    text-align: center;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue));
    transition: all 0.5s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-blue);
    box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
}

.service-card:hover::before {
    left: 100%;
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem auto;
    fill: none;
    stroke: var(--neon-blue);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #fff;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- İletişim Section --- */
.contact-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(10, 21, 38, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding: 4rem 2rem;
    border-radius: 16px;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.contact-item a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--neon-blue);
    text-shadow: 0 0 5px var(--neon-blue-glow);
}

.contact-icon {
    width: 24px;
    height: 24px;
    stroke: var(--neon-blue);
    fill: none;
    stroke-width: 2;
}

/* --- Nova CRM Ürün Kartı --- */
.nova-product-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: rgba(10, 21, 38, 0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 24px;
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 2rem;
}

/* Köşe vurgu gradyanı */
.nova-product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 50%; height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), transparent);
}
.nova-product-card::after {
    content: '';
    position: absolute;
    bottom: 0; right: 0;
    width: 50%; height: 2px;
    background: linear-gradient(270deg, var(--neon-blue), transparent);
}

/* Amiral gemisi rozeti */
.nova-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--neon-blue);
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.25);
    border-radius: 50px;
    padding: 0.3rem 0.9rem;
    margin-bottom: 1.25rem;
}

/* Platform etiketleri */
.nova-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}
.nova-platforms span {
    font-size: 0.72rem;
    padding: 0.2rem 0.65rem;
    border-radius: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-muted);
}

/* Başlık */
.nova-info h3 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 1rem;
}
.nova-info h3 span {
    color: var(--neon-blue);
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
}

.nova-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1.75rem;
}
.nova-desc strong { color: var(--text-main); }

/* Özellik listesi */
.nova-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    margin-bottom: 1.75rem;
}
.nova-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    color: var(--text-main);
    font-size: 0.9rem;
    line-height: 1.5;
}
.nova-features li svg {
    width: 16px; height: 16px;
    stroke: var(--neon-blue);
    flex-shrink: 0;
    margin-top: 2px;
}
.nova-features li strong { color: #fff; }

/* Etiketler */
.nova-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}
.nova-tags span {
    font-size: 0.72rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--neon-blue);
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* Aksiyon butonları */
.nova-actions { display: flex; gap: 1rem; }
.nova-btn-primary {
    padding: 0.85rem 2rem;
    background: var(--neon-blue);
    color: var(--bg-dark);
    border: none;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}
.nova-btn-primary:hover {
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.5);
    transform: translateY(-2px);
}
.nova-btn-secondary {
    padding: 0.85rem 2rem;
    background: transparent;
    color: var(--text-main);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}
.nova-btn-secondary:hover { border-color: var(--neon-blue); color: var(--neon-blue); }

/* ---- Mockup Ekran ---- */
.nova-visual { perspective: 1000px; }
.nova-screen {
    background: #060f1e;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 40px rgba(0, 240, 255, 0.06);
    transform: rotateY(-4deg) rotateX(2deg);
    transition: transform 0.5s ease;
}
.nova-product-card:hover .nova-screen { transform: rotateY(0deg) rotateX(0deg); }

.ns-topbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.6rem 1rem;
    background: #030a16;
    border-bottom: 1px solid rgba(0, 240, 255, 0.08);
}
.ns-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.ns-title { font-size: 0.72rem; color: var(--text-muted); margin-left: 0.5rem; letter-spacing: 0.5px; flex:1; }
.ns-offline-badge { font-size: 0.62rem; color: #22c55e; font-weight: 700; }

.ns-body { padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }

.ns-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.ns-stat {
    background: rgba(0,240,255,0.04);
    border: 1px solid rgba(0,240,255,0.1);
    border-radius: 8px;
    padding: 0.6rem 0.75rem;
    display: flex; flex-direction: column; gap: 2px;
}
.ns-stat-val { font-size: 1rem; font-weight: 700; color: #fff; }
.ns-stat-lbl { font-size: 0.62rem; color: var(--text-muted); }
.ns-stat-up  { font-size: 0.65rem; color: #22c55e; font-weight: 600; }
.ns-stat-down{ font-size: 0.65rem; color: #f87171; font-weight: 600; }

.ns-chart { background: rgba(0,240,255,0.02); border: 1px solid rgba(0,240,255,0.08); border-radius: 8px; padding: 0.75rem; }
.ns-bar-label { font-size: 0.65rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.ns-bars { display: flex; align-items: flex-end; gap: 5px; height: 44px; }
.ns-bar { flex: 1; height: var(--h); background: rgba(0,240,255,0.2); border-radius: 3px 3px 0 0; }
.ns-bar--active { background: var(--neon-blue); box-shadow: 0 0 8px rgba(0,240,255,0.4); }

/* Gemini AI satırı */
.ns-ai-row {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.45rem 0.7rem;
    background: rgba(168,85,247,0.06);
    border: 1px solid rgba(168,85,247,0.2);
    border-radius: 8px;
}
.ns-ai-icon { font-size: 1rem; color: #a855f7; flex-shrink: 0; }
.ns-ai-text { display: flex; flex-direction: column; }
.ns-ai-text span { font-size: 0.7rem; font-weight: 600; color: #a855f7; }
.ns-ai-text small { font-size: 0.6rem; color: var(--text-muted); }

.ns-list { display: flex; flex-direction: column; gap: 0.35rem; }
.ns-list-row { display: flex; align-items: center; gap: 0.6rem; padding: 0.4rem 0.5rem; background: rgba(255,255,255,0.02); border-radius: 7px; }
.ns-avatar { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.58rem; font-weight: 700; flex-shrink: 0; }
.ns-list-info { flex: 1; display: flex; flex-direction: column; }
.ns-list-info b { font-size: 0.68rem; color: #fff; font-weight: 600; }
.ns-list-info small { font-size: 0.58rem; color: var(--text-muted); }
.ns-pill { font-size: 0.56rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; padding: 0.15rem 0.45rem; border-radius: 50px; }
.ns-pill--warm   { background: rgba(251,146,60,0.15); color: #fb923c; }
.ns-pill--won    { background: rgba(34,197,94,0.15);  color: #22c55e; }
.ns-pill--new    { background: rgba(168,85,247,0.15); color: #a855f7; }

/* ---- Güvenlik & UI Şeridi ---- */
.nova-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2.5rem;
    padding: 1.5rem 2rem;
    background: rgba(10,21,38,0.3);
    border: 1px solid rgba(0,240,255,0.08);
    border-radius: 16px;
}
.nova-hl-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.nova-hl-item svg {
    width: 28px; height: 28px;
    stroke: var(--neon-blue);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.nova-hl-item div { display: flex; flex-direction: column; gap: 2px; }
.nova-hl-item strong { font-size: 0.82rem; color: #fff; }
.nova-hl-item small  { font-size: 0.7rem; color: var(--text-muted); line-height: 1.4; }

/* ---- Modüller Grid ---- */
.nova-modules-wrap { margin-top: 0.5rem; }
.nova-modules-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}
.nova-modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}
.nova-module-card {
    background: rgba(10,21,38,0.3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
    padding: 1.5rem 1.25rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.nova-module-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0,240,255,0.2);
}
.nm-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1rem;
    background: color-mix(in srgb, var(--c) 10%, transparent);
    border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
    color: var(--c);
}
.nm-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.nova-module-card h5 { font-size: 0.85rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
.nova-module-card p  { font-size: 0.72rem; color: var(--text-muted); line-height: 1.5; }

/* Responsive */
@media (max-width: 1024px) { .nova-highlights { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px) {
    .nova-product-card { grid-template-columns: 1fr; padding: 2rem; gap: 2rem; }
    .nova-screen { transform: none !important; }
    .nova-info h3 { font-size: 2rem; }
    .nova-highlights { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .nova-highlights { grid-template-columns: 1fr; }
    .nova-modules-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Product Card Link Wrapper --- */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* --- Eski filtre / kart CSS (ilerideki ürünler için tutuldu) --- */
.products-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.55rem 1.5rem;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--neon-blue);
    color: var(--bg-dark);
    border-color: var(--neon-blue);
    box-shadow: 0 0 14px rgba(0, 240, 255, 0.3);
    font-weight: 600;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    justify-content: center;
}

/* Kartı gizleme/gösterme animasyonu */
.product-card {
    background: rgba(10, 21, 38, 0.35);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 240, 255, 0.12);
    border-radius: 18px;
    padding: 2rem 1.75rem 1.75rem;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.4s ease, box-shadow 0.4s ease, opacity 0.3s ease;
}

/* Kare Kart Tasarımı */
.product-card--square {
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.5rem 1.25rem 1.25rem;
    gap: 0.6rem;
}

/* Kare kart içindeki eleman boyutlandırma optimizasyonları */
.product-card--square .product-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
}
.product-card--square .product-icon-wrap svg {
    width: 20px;
    height: 20px;
}
.product-card--square h3 {
    font-size: 1.15rem;
}
.product-card--square p {
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 0;
}
.product-card--square .product-tags {
    gap: 0.35rem;
}
.product-card--square .product-tags span {
    font-size: 0.65rem;
    padding: 0.15rem 0.5rem;
}
.product-card--square .product-btn {
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
}

.product-card.hidden {
    display: none;
}

.product-card.fade-in {
    animation: cardFadeIn 0.4s ease both;
}

@keyframes cardFadeIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 240, 255, 0.1);
    border-color: rgba(0, 240, 255, 0.35);
}

/* Üst parlama çizgisi */
.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover::before { opacity: 1; }

/* Badge (kategori etiketi) */
.product-badge {
    position: absolute;
    top: 1.1rem; right: 1.1rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    background: rgba(0, 240, 255, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 240, 255, 0.25);
}

.product-badge--mobil  { background: rgba(34,197,94,0.1);  color: #22c55e; border-color: rgba(34,197,94,0.25); }
.product-badge--ai     { background: rgba(168,85,247,0.1);  color: #a855f7; border-color: rgba(168,85,247,0.25); }
.product-badge--kurumsal { background: rgba(251,146,60,0.1); color: #fb923c; border-color: rgba(251,146,60,0.25); }

/* İkon sarmalayıcı */
.product-icon-wrap {
    width: 56px; height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--neon-blue);
    flex-shrink: 0;
}

.product-icon-wrap svg { width: 26px; height: 26px; }

.product-icon-wrap--mobil   { background: rgba(34,197,94,0.08);  border-color: rgba(34,197,94,0.2);   color: #22c55e; }
.product-icon-wrap--ai      { background: rgba(168,85,247,0.08); border-color: rgba(168,85,247,0.2);  color: #a855f7; }
.product-icon-wrap--kurumsal{ background: rgba(251,146,60,0.08); border-color: rgba(251,146,60,0.2);  color: #fb923c; }

/* Ürün başlık & açıklama */
.product-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.product-card > p {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.75;
    flex: 1;
}

/* Etiketler */
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.product-tags span {
    font-size: 0.72rem;
    padding: 0.2rem 0.65rem;
    border-radius: 50px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* Demo butonu */
.product-btn {
    display: inline-block;
    text-align: center;
    padding: 0.65rem 1.5rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-decoration: none;
    text-transform: uppercase;
    background: rgba(0, 240, 255, 0.08);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 240, 255, 0.3);
    transition: all 0.3s ease;
}

.product-btn:hover {
    background: var(--neon-blue);
    color: var(--bg-dark);
    box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
}

.product-btn--mobil    { background: rgba(34,197,94,0.08);  color: #22c55e; border-color: rgba(34,197,94,0.3); }
.product-btn--mobil:hover    { background: #22c55e;  color: #030a16; box-shadow: 0 0 16px rgba(34,197,94,0.35); }
.product-btn--ai       { background: rgba(168,85,247,0.08); color: #a855f7; border-color: rgba(168,85,247,0.3); }
.product-btn--ai:hover       { background: #a855f7;  color: #030a16; box-shadow: 0 0 16px rgba(168,85,247,0.35); }
.product-btn--kurumsal { background: rgba(251,146,60,0.08); color: #fb923c; border-color: rgba(251,146,60,0.3); }
.product-btn--kurumsal:hover { background: #fb923c;  color: #030a16; box-shadow: 0 0 16px rgba(251,146,60,0.35); }

/* --- Vizyon & Misyon Section --- */
.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.vm-card {
    background: rgba(10, 21, 38, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

/* Vizyon — sol üst köşeden neon mavi vurgu */
.vm-card--vision::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-blue), transparent);
}

/* Misyon — sağ üst köşeden mor vurgu */
.vm-card--mission::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 2px;
    background: linear-gradient(270deg, #a855f7, transparent);
}

.vm-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 240, 255, 0.08);
}

.vm-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.vm-card--mission .vm-icon-wrap {
    background: rgba(168, 85, 247, 0.06);
    border-color: rgba(168, 85, 247, 0.2);
}

.vm-icon {
    width: 32px;
    height: 32px;
    fill: none;
    stroke: var(--neon-blue);
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.vm-card--mission .vm-icon {
    stroke: #a855f7;
}

.vm-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: 0.5px;
}

.vm-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    margin-top: 4rem;
    background: rgba(3, 10, 22, 0.9);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- Animasyonlar --- */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Responsive Tasarım --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero h2 { font-size: 1.2rem; }
    .nav-links { display: none; }
    .section { padding: 4rem 1rem; }
    .contact-item { flex-direction: column; gap: 0.5rem; }
    .vm-grid { grid-template-columns: 1fr; }
}

/* --- Teknoloji Havuzu Section --- */
.tech-stack-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.tech-category-card {
    background: rgba(10, 21, 38, 0.3);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Hover durumunda kategoriye özel neon parlama ve renk vurguları */
.tech-category-card--ui:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 12px 40px rgba(0, 240, 255, 0.15);
    transform: translateY(-5px);
}
.tech-category-card--server:hover {
    border-color: #22c55e;
    box-shadow: 0 12px 40px rgba(34, 197, 94, 0.15);
    transform: translateY(-5px);
}
.tech-category-card--ai:hover {
    border-color: #a855f7;
    box-shadow: 0 12px 40px rgba(168, 85, 247, 0.15);
    transform: translateY(-5px);
}

/* Üst şerit gradyanları */
.tech-category-card--ui::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
}
.tech-category-card--server::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, #22c55e, transparent);
}
.tech-category-card--ai::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, #a855f7, transparent);
}

.tech-category-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1.5rem;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-category-card h3 svg {
    width: 24px; height: 24px;
    fill: none; stroke-width: 1.5;
    stroke-linecap: round; stroke-linejoin: round;
}
.tech-category-card--ui h3 svg { stroke: var(--neon-blue); }
.tech-category-card--server h3 svg { stroke: #22c55e; }
.tech-category-card--ai h3 svg { stroke: #a855f7; }

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tech-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.tech-icon-box {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.tech-category-card--ui .tech-icon-box {
    background: rgba(0, 240, 255, 0.06);
    border: 1px solid rgba(0, 240, 255, 0.15);
    color: var(--neon-blue);
}
.tech-category-card--server .tech-icon-box {
    background: rgba(34, 197, 94, 0.06);
    border: 1px solid rgba(34, 197, 94, 0.15);
    color: #22c55e;
}
.tech-category-card--ai .tech-icon-box {
    background: rgba(168, 85, 247, 0.06);
    border: 1px solid rgba(168, 85, 247, 0.15);
    color: #a855f7;
}

/* Hoverda ikon parlaması */
.tech-category-card--ui .tech-item:hover .tech-icon-box {
    background: var(--neon-blue);
    color: var(--bg-dark);
    box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}
.tech-category-card--server .tech-item:hover .tech-icon-box {
    background: #22c55e;
    color: var(--bg-dark);
    box-shadow: 0 0 12px rgba(34, 197, 94, 0.4);
}
.tech-category-card--ai .tech-item:hover .tech-icon-box {
    background: #a855f7;
    color: var(--bg-dark);
    box-shadow: 0 0 12px rgba(168, 85, 247, 0.4);
}

.tech-icon-box svg {
    width: 22px; height: 22px;
    fill: none; stroke: currentColor;
    stroke-width: 1.5;
    stroke-linecap: round; stroke-linejoin: round;
}

.tech-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.tech-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.tech-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Responsive Geliştirmeler */
@media (max-width: 900px) {
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}