:root {
    --bg: #050913;
    --bg-alt: #0b1222;
    --card: #111827;
    --accent: #f97316;
    --accent-soft: rgba(249, 115, 22, 0.12);
    --accent-strong: #fb923c;
    --border-subtle: #1f2937;
    --text: #e5e7eb;
    --text-soft: #9ca3af;
    --text-strong: #f9fafb;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.55);
    --shadow-subtle: 0 10px 25px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #111827 0, #020617 52%, #000 100%);
    color: var(--text);
}

body {
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 16px;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(18px);
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.96));
    border-bottom: 1px solid rgba(31, 41, 55, 0.85);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 0;
}

.logo {
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--text-strong);
}

.logo span {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 16px;
    font-size: 0.9rem;
}

.nav-links a {
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid transparent;
    color: var(--text-soft);
    text-decoration: none;
}

.nav-links a:hover {
    border-color: rgba(148, 163, 184, 0.6);
    color: var(--text-strong);
    background: rgba(15, 23, 42, 0.9);
}

.nav-download {
    border-color: rgba(249, 115, 22, 0.7) !important;
    color: var(--accent-strong) !important;
    background: rgba(249, 115, 22, 0.12);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
}

.lang-btn {
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-soft);
    padding: 3px 8px;
    font-size: 0.75rem;
    cursor: pointer;
}

.lang-btn.is-active {
    border-color: var(--accent);
    color: var(--accent-strong);
    background: rgba(249, 115, 22, 0.12);
}

.hero {
    padding: 32px 0 28px;
}

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.4fr);
    gap: 24px;
}

.hero-text h1 {
    font-size: 2.1rem;
    line-height: 1.2;
    margin: 0 0 10px;
    color: var(--text-strong);
}

.hero-text p {
    margin: 0 0 10px;
    color: var(--text-soft);
    font-size: 0.97rem;
}

.hero-bullets {
    list-style: none;
    padding: 0;
    margin: 8px 0 14px;
    font-size: 0.9rem;
}

.hero-bullets li {
    margin-bottom: 4px;
}

.hero-download {
    margin-top: 4px;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-soft);
}

.version-label strong {
    color: var(--accent-strong);
}

.hero-media {
    display: flex;
    align-items: center;
}

.hero-screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
}

.screenshot-card {
    background: radial-gradient(circle at top left, #1e293b, #020617);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: var(--shadow-soft);
    padding: 6px;
}

.screenshot-card.wide {
    grid-column: 1 / -1;
}

.screenshot-card img {
    border-radius: 10px;
}

.screenshot-card figcaption {
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--text-soft);
}

.section {
    padding: 24px 0;
}

.section-alt {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.98));
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.section h2 {
    margin: 0 0 14px;
    font-size: 1.4rem;
    color: var(--text-strong);
}

.section-intro {
    margin: 0 0 12px;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.feature-item {
    background: radial-gradient(circle at top left, #111827, #020617);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.85);
    padding: 11px 10px 10px;
    font-size: 0.88rem;
    box-shadow: var(--shadow-subtle);
}

.feature-item h3 {
    margin: 0 0 5px;
    font-size: 1rem;
    color: var(--accent-strong);
}

.feature-item p {
    margin: 0;
    color: var(--text-soft);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.gallery-grid-tight {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.gallery-item {
    background: radial-gradient(circle at top left, #111827, #020617);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 6px;
    font-size: 0.8rem;
    box-shadow: var(--shadow-subtle);
}

.gallery-item img {
    border-radius: 10px;
}

.gallery-item figcaption {
    margin-top: 4px;
    color: var(--text-soft);
}

/* Responsive video wrapper for usage videos */
.video-wrapper {
    position: relative;
    width: 100%;
    /* 16:9 oranı */
    padding-top: 56.25%;
    border-radius: 10px;
    overflow: hidden;
    background: #020617;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Slider for analiz-ornekleri */
.slider-shell {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
}

.slider-viewport {
    overflow: hidden;
}

.slider-track {
    display: flex;
    gap: 10px;
    scroll-behavior: smooth;
}

.slider-item {
    min-width: 210px;
}

.slider-arrow {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: radial-gradient(circle at top, #020617, #020617);
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
}

.slider-arrow:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.download-section {
    display: flex;
    justify-content: center;
}

.download-text {
    max-width: 640px;
}

.download-text p {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-soft);
}

.download-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 12px 0;
    padding: 8px 10px;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.9);
}

.meta-label {
    display: block;
    font-size: 0.74rem;
    color: var(--text-soft);
}

.meta-value {
    font-size: 0.86rem;
    color: var(--text-strong);
}

.download-note {
    margin-top: 6px;
    font-size: 0.78rem;
    color: var(--text-soft);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease, border-color 0.1s ease;
}

.btn-primary {
    background: linear-gradient(to right, #f97316, #fb923c);
    color: #111827;
    border-color: #fb923c;
    box-shadow: 0 18px 40px rgba(234, 88, 12, 0.55);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 24px 60px rgba(234, 88, 12, 0.65);
    text-decoration: none;
}

.btn-large {
    padding: 9px 22px;
    font-size: 0.95rem;
}

.btn-outline {
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-soft);
    border-color: rgba(148, 163, 184, 0.6);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
    text-decoration: none;
}

.faq-section {
    max-width: 720px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-list details {
    background: radial-gradient(circle at top left, #111827, #020617);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.9);
    padding: 7px 10px;
    font-size: 0.9rem;
}

.faq-list summary {
    cursor: pointer;
    font-weight: 500;
}

.faq-list p {
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 0.86rem;
}

.contact-section {
    max-width: 720px;
    margin: 12px auto 0;
    padding: 14px 18px 16px;
    background: radial-gradient(circle at top left, #111827, #020617);
    border-radius: var(--radius-md);
    border: 1px solid rgba(31, 41, 55, 0.9);
    box-shadow: var(--shadow-subtle);
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.note {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-soft);
}

.note.small {
    font-size: 0.75rem;
}

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 80;
    padding: 16px;
}

.lightbox-overlay.is-visible {
    display: flex;
}

.lightbox-inner {
    max-width: 90vw;
    width: auto;
    max-height: 92vh;
    background: #020617;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: 0 35px 80px rgba(0, 0, 0, 0.85);
    padding: 8px;
    position: relative;
}

.lightbox-image-wrapper {
    max-height: 88vh;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 88vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    opacity: 1;
}

.lightbox-image.animate-in {
    animation: lightboxFadeIn 0.3s ease;
}

@keyframes lightboxFadeIn {
    from {
        opacity: 0;
        transform: scale(0.97);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox-close {
    position: absolute;
    top: 6px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(15, 23, 42, 0.95);
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
}

.lightbox-close:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(15, 23, 42, 0.96);
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
}

.lightbox-prev {
    left: 8px;
}

.lightbox-next {
    right: 8px;
}

.lightbox-nav:hover {
    border-color: var(--accent);
    color: var(--accent-strong);
}

.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 10px 0 14px;
    background: #020617;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-soft);
}

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-media {
        order: -1;
    }

    .features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .gallery-grid,
    .gallery-grid-tight {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .download-meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .topbar-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: 8px;
    }

    .hero {
        padding-top: 20px;
    }

    .features-grid,
    .gallery-grid,
    .gallery-grid-tight {
        grid-template-columns: minmax(0, 1fr);
    }

    .download-meta {
        grid-template-columns: minmax(0, 1fr);
    }
}