/* Semengineer Premium UI — scoped design system */
:root {
    --se-brand: #F6C23E;
    --se-brand-dark: #E5A82E;
    --se-brand-light: #FFE8A3;
    --se-brand-glow: rgba(246, 194, 62, 0.35);
    --se-navy: #0F172A;
    --se-navy-soft: #111827;
    --se-cream: #FFF8E6;
    --se-cream-deep: #FDF7E7;
    --se-surface: #F8FAFC;
    --se-text: #334155;
    --se-text-muted: #64748b;
    --se-radius: 1rem;
    --se-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.12);
    --se-shadow-soft: 0 8px 30px rgba(15, 23, 42, 0.06);
}

/* Typography */
body.site-premium {
    color: var(--se-text);
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

.site-premium h1,
.site-premium h2,
.site-premium h3 {
    color: var(--se-navy);
    letter-spacing: -0.02em;
}

/* Navbar */
#navbar.site-nav {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

#navbar.site-nav.is-scrolled {
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--se-text-muted);
    border-radius: 0.625rem;
    transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-group:hover > .nav-link {
    color: var(--se-navy);
    background: var(--se-cream);
}

.nav-dropdown-panel {
    position: absolute;
    top: 100%;
    left: 0;
    padding-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    z-index: 60;
}

.nav-group:hover .nav-dropdown-panel,
.nav-group:focus-within .nav-dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu {
    background: #fff;
    border-radius: 1.25rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    box-shadow: var(--se-shadow);
    padding: 1.5rem;
}

.mega-menu__title {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--se-brand-dark);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(246, 194, 62, 0.25);
}

.mega-menu__link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--se-text-muted);
    border-radius: 0.5rem;
    transition: color 0.2s, background 0.2s, transform 0.2s;
}

.mega-menu__link:hover {
    color: var(--se-navy);
    background: var(--se-cream);
    transform: translateX(3px);
}

.mega-menu__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #cbd5e1;
    flex-shrink: 0;
    transition: background 0.2s;
}

.mega-menu__link:hover .mega-menu__dot {
    background: var(--se-brand);
}

.mega-partner-card {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: var(--se-surface);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.mega-partner-card:hover {
    border-color: rgba(246, 194, 62, 0.4);
    background: var(--se-cream);
    box-shadow: var(--se-shadow-soft);
}

/* Primary CTA */
.btn-premium-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--se-navy);
    background: linear-gradient(135deg, #FFE8A3 0%, var(--se-brand) 50%, #F9B800 100%);
    border-radius: 0.75rem;
    box-shadow: 0 4px 14px var(--se-brand-glow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-premium-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--se-brand-glow);
}

.btn-premium-cta--lg {
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-size: 1rem;
}

.btn-premium-cta--outline {
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: var(--se-shadow-soft);
    color: var(--se-navy);
}

.btn-premium-cta--outline:hover {
    border-color: var(--se-brand);
    background: var(--se-cream);
}

.btn-premium-cta--on-dark {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.28);
    box-shadow: none;
}

.btn-premium-cta--on-dark:hover {
    border-color: var(--se-brand);
    background: rgba(246, 194, 62, 0.12);
    color: var(--se-brand);
    transform: translateY(-2px);
}

/* Mobile accordion */
.mobile-accordion summary {
    list-style: none;
    cursor: pointer;
}

.mobile-accordion summary::-webkit-details-marker {
    display: none;
}

/* Footer */
.site-footer {
    background: linear-gradient(180deg, #0F172A 0%, #020617 100%);
}

.site-footer a:hover {
    color: var(--se-brand) !important;
}

.site-footer h5 {
    color: #fff;
    font-size: 0.875rem;
    letter-spacing: 0.04em;
}

/* WhatsApp — yeşil korunur, premium çerçeve */
.wa-float {
    width: 3.25rem;
    height: 3.25rem;
    background: linear-gradient(145deg, #25D366, #128C7E);
    border-radius: 9999px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
    border: 2px solid rgba(255, 255, 255, 0.9);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.wa-float:hover {
    transform: scale(1.06);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.45);
}

/* Home utilities */
.glass-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--se-shadow-soft);
}

.stat-glass {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(246, 194, 62, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-glass:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(246, 194, 62, 0.15);
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.badge-premium {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(246, 194, 62, 0.35);
    box-shadow: 0 4px 16px rgba(246, 194, 62, 0.12);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--se-navy);
}

.badge-premium__pulse {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--se-brand);
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.9); }
}

.home-timeline-grid {
    position: relative;
}

@media (max-width: 1023px) {
    .home-timeline-grid {
        padding-left: 1.25rem;
    }

    .home-timeline-grid::before {
        content: "";
        position: absolute;
        left: 0.35rem;
        top: 1.5rem;
        bottom: 1.5rem;
        width: 2px;
        background: linear-gradient(180deg, var(--se-brand-light), var(--se-brand), var(--se-brand-light));
        border-radius: 2px;
    }

    .home-timeline-step::before {
        content: "";
        position: absolute;
        left: -1.05rem;
        top: 2rem;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--se-brand);
        box-shadow: 0 0 0 4px var(--se-cream);
    }
}

.cta-premium {
    background: linear-gradient(145deg, #0F172A 0%, #111827 50%, #020617 100%);
}

.cta-premium::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 70% 20%, rgba(246, 194, 62, 0.18), transparent 45%),
        radial-gradient(circle at 20% 80%, rgba(246, 194, 62, 0.08), transparent 40%);
    pointer-events: none;
}

.footer-social {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.625rem;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, transform 0.2s;
}

.footer-social:hover {
    background: var(--se-brand);
    color: var(--se-navy) !important;
    transform: translateY(-2px);
}

/* Mega menü v2 */
.nav-group--mega .nav-dropdown-panel {
    left: 50%;
    right: auto;
    transform: translateX(-50%) translateY(10px);
    padding-top: 0.65rem;
}

.nav-group--mega:hover .nav-dropdown-panel,
.nav-group--mega:focus-within .nav-dropdown-panel {
    transform: translateX(-50%) translateY(0);
}

.mega-menu--wide {
    min-width: min(96vw, 920px);
    padding: 0;
    overflow: hidden;
}

.mega-menu__layout {
    display: grid;
    grid-template-columns: 220px 1fr;
}

.mega-menu__promo {
    padding: 1.5rem;
    background: linear-gradient(165deg, #0F172A 0%, #1e293b 60%, #334155 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mega-menu__promo-tag {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--se-brand);
}

.mega-menu__promo-title {
    font-size: 1.375rem;
    font-weight: 800;
    line-height: 1.2;
}

.mega-menu__promo-desc {
    font-size: 0.8125rem;
    color: #94a3b8;
    line-height: 1.5;
}

.mega-menu__promo-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.mega-menu__promo-stats span {
    font-size: 0.6875rem;
    padding: 0.35rem 0.6rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
}

.mega-menu__promo-stats strong {
    color: var(--se-brand);
}

.mega-menu__promo-cta {
    display: inline-flex;
    margin-top: 0.5rem;
    padding: 0.5rem 0.85rem;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--se-navy);
    background: linear-gradient(135deg, #FFE8A3, var(--se-brand));
    border-radius: 0.5rem;
}

.mega-menu__body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.mega-menu__cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.mega-menu__title {
    font-size: 0.6875rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--col-accent, var(--se-brand-dark));
    padding-bottom: 0.5rem;
    margin-bottom: 0.65rem;
    border-bottom: 2px solid color-mix(in srgb, var(--col-accent, var(--se-brand)) 35%, transparent);
}

.mega-menu__item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.5rem 0.55rem;
    border-radius: 0.625rem;
    transition: background 0.2s, transform 0.2s;
}

.mega-menu__item:hover {
    background: var(--se-cream);
    transform: translateX(4px);
}

.mega-menu__item-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    background: color-mix(in srgb, var(--item-color, var(--se-brand)) 12%, #fff);
    border: 1px solid color-mix(in srgb, var(--item-color) 20%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mega-icon-svg {
    width: 1.125rem;
    height: 1.125rem;
}

.mega-icon-img {
    width: 1.25rem;
    height: 1.25rem;
    object-fit: contain;
}

.mega-icon-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: block;
}

.mega-menu__item-title {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--se-navy);
    line-height: 1.25;
}

.mega-menu__item-desc {
    display: block;
    font-size: 0.6875rem;
    color: var(--se-text-muted);
    margin-top: 0.1rem;
}

/* Sektörler mega */
.mega-menu--sectors {
    min-width: min(92vw, 680px);
    padding: 1.25rem 1.5rem;
}

.mega-menu__sectors-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}

@media (min-width: 640px) {
    .mega-menu__sectors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.mega-sector-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: linear-gradient(135deg, #fff 0%, var(--se-cream) 100%);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.mega-sector-card:hover {
    border-color: rgba(246, 194, 62, 0.45);
    box-shadow: 0 8px 20px rgba(246, 194, 62, 0.12);
    transform: translateY(-2px);
}

.mega-sector-card__icon {
    font-size: 1.35rem;
    line-height: 1;
}

.mega-sector-card__title {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--se-navy);
}

.mega-sector-card__desc {
    display: block;
    font-size: 0.6875rem;
    color: var(--se-text-muted);
}

/* Partnerler mega */
.mega-menu--partners {
    min-width: min(92vw, 560px);
    padding: 1.25rem 1.5rem;
}

.mega-menu__partner-label {
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--se-text-muted);
    margin-bottom: 0.5rem;
}

.mega-menu__partner-section {
    margin-bottom: 1rem;
}

.mega-menu__partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.mega-partner-logo-card {
    width: 4.5rem;
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.875rem;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.mega-partner-logo-card:hover {
    transform: translateY(-3px) scale(1.04);
    border-color: var(--se-brand);
    box-shadow: 0 10px 24px rgba(246, 194, 62, 0.2);
}

.mega-partner-logo-card img {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

.mega-menu__partner-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.mega-partner-chip {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--se-navy);
    background: var(--se-surface);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 9999px;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.mega-partner-chip:hover {
    background: var(--se-cream);
    border-color: var(--se-brand);
    color: var(--se-navy);
}

.mega-menu__partners-foot {
    padding-top: 0.75rem;
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}

@media (max-width: 1023px) {
    .mega-menu__layout {
        grid-template-columns: 1fr;
    }

    .mega-menu__promo {
        border-radius: 1rem 1rem 0 0;
    }

    .mega-menu__cols {
        grid-template-columns: 1fr;
    }
}

/* Marka adı tipografisi (logo yok) */
.home-brand-name,
.brand-name-tile {
    font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    letter-spacing: -0.03em;
    text-wrap: balance;
    transition: color 0.25s ease, letter-spacing 0.25s ease;
}

.home-brand-name {
    font-weight: 800;
}

.home-brand-featured:hover .home-brand-name {
    color: var(--se-brand, #F6C23E);
    letter-spacing: -0.02em;
}

.brand-name-tile {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.25;
    color: #334155;
}

.group:hover .brand-name-tile {
    color: #0f172a;
    letter-spacing: -0.02em;
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .badge-premium__pulse {
        animation: none;
    }
}