/**
 * Aydınlık mod — glassmorphism, gümüş gradient, 3D derinlik
 * Turkuaz / beyaz / gümüş palet — 2025+ kurumsal lux
 */

html[data-theme="light"],
body.light-mode {
    /* Gümüş cam yüzeyler */
    --lt-glass: rgba(255, 255, 255, 0.58);
    --lt-glass-strong: rgba(255, 255, 255, 0.78);
    --lt-glass-border: rgba(255, 255, 255, 0.85);
    --lt-silver: #e2e8f0;
    --lt-silver-mid: #cbd5e1;
    --lt-silver-deep: #94a3b8;
    --lt-silver-shine: rgba(255, 255, 255, 0.95);
    --lt-teal-glow: rgba(1, 177, 175, 0.22);
    --lt-teal-glow-soft: rgba(1, 177, 175, 0.1);
    --lt-teal-mesh: rgba(45, 212, 191, 0.14);
    --lt-3d-shadow:
        0 1px 0 rgba(255, 255, 255, 0.9) inset,
        0 -1px 0 rgba(148, 163, 184, 0.12) inset,
        0 4px 6px rgba(15, 23, 42, 0.04),
        0 12px 32px rgba(15, 23, 42, 0.08),
        0 24px 48px rgba(1, 138, 136, 0.06);
    --lt-3d-shadow-hover:
        0 1px 0 rgba(255, 255, 255, 1) inset,
        0 -1px 0 rgba(148, 163, 184, 0.16) inset,
        0 8px 16px rgba(15, 23, 42, 0.06),
        0 20px 48px rgba(15, 23, 42, 0.1),
        0 32px 64px rgba(1, 177, 175, 0.12);
    --lt-glass-blur: blur(24px) saturate(1.65) brightness(1.03);
}

body.light-mode {
    --lt-bg: #e8eef4;
    --lt-bg-elevated: rgba(255, 255, 255, 0.82);
    --lt-surface: var(--lt-glass-strong);
    --lt-border: rgba(148, 163, 184, 0.28);
    --lt-border-strong: rgba(100, 116, 139, 0.35);
    --lt-shadow: var(--lt-3d-shadow);
    --lt-shadow-lg: var(--lt-3d-shadow-hover);
}

/* ---- Ek atmosfer katmanı: gümüş-turkuaz mesh ---- */
body.light-mode .containers {
    position: relative;
}

body.light-mode .containers::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 55% 38% at 12% 18%, var(--lt-teal-mesh) 0%, transparent 58%),
        radial-gradient(ellipse 48% 42% at 88% 22%, rgba(186, 230, 253, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 72% 88%, rgba(1, 138, 136, 0.09) 0%, transparent 52%),
        radial-gradient(ellipse 40% 35% at 8% 82%, rgba(203, 213, 225, 0.35) 0%, transparent 50%);
    opacity: 0.92;
}

/* ---- Üst navigasyon — şeffaf (beyaz cam bar kaldırıldı) ---- */
@media (min-width: 992px) {
    body.light-mode .top-nav,
    body.light-mode .containers .top-nav,
    body.light-mode .top-nav.scrolled,
    body.light-mode .top-nav.is-scrolled {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
    }
}

/* ---- Çözüm kartları — cam + 3D kaldırma ---- */
body.light-mode .solution-card__panel {
    overflow: hidden;
    background:
        linear-gradient(
            155deg,
            rgba(255, 255, 255, 0.82) 0%,
            rgba(248, 250, 252, 0.65) 45%,
            rgba(226, 232, 240, 0.42) 100%
        ) !important;
    border: 1px solid rgba(255, 255, 255, 0.88) !important;
    box-shadow: var(--lt-3d-shadow) !important;
    backdrop-filter: var(--lt-glass-blur);
    -webkit-backdrop-filter: var(--lt-glass-blur);
    transition:
        transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1),
        box-shadow 0.35s ease,
        border-color 0.3s ease;
}

body.light-mode .solution-feature__copy {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(
            155deg,
            rgba(255, 255, 255, 0.82) 0%,
            rgba(248, 250, 252, 0.65) 45%,
            rgba(226, 232, 240, 0.42) 100%
        ) !important;
    border: 1px solid rgba(255, 255, 255, 0.88) !important;
    box-shadow: var(--lt-3d-shadow) !important;
    backdrop-filter: var(--lt-glass-blur);
    -webkit-backdrop-filter: var(--lt-glass-blur);
    transform-style: preserve-3d;
    transition:
        transform 0.35s cubic-bezier(0.34, 1.2, 0.64, 1),
        box-shadow 0.35s ease,
        border-color 0.3s ease;
}

body.light-mode .solution-card__panel:hover {
    box-shadow: var(--lt-3d-shadow-hover) !important;
    border-color: rgba(1, 177, 175, 0.35) !important;
    transform: translateY(-4px);
}

body.light-mode .solution-feature__grid::before,
body.light-mode .service .solution-card--wide .sw-items::before {
    background:
        linear-gradient(
            160deg,
            rgba(255, 255, 255, 0.75) 0%,
            rgba(241, 245, 249, 0.55) 100%
        ) !important;
    border: 1px solid rgba(255, 255, 255, 0.8) !important;
    box-shadow: var(--lt-3d-shadow) !important;
    backdrop-filter: var(--lt-glass-blur);
    -webkit-backdrop-filter: var(--lt-glass-blur);
}

body.light-mode .containers .solutions-section {
    --sol-panel: var(--lt-glass-strong);
    position: relative;
}

body.light-mode .solutions-section::before {
    content: "";
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: min(90%, 720px);
    height: 180px;
    background: radial-gradient(ellipse, var(--lt-teal-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.65;
    z-index: 0;
}

/* ---- Mobil kartlar ---- */
@media (max-width: 991px) {
    body.light-mode .mh-hero {
        background:
            linear-gradient(
                165deg,
                rgba(255, 255, 255, 0.9) 0%,
                rgba(248, 250, 252, 0.75) 50%,
                rgba(226, 232, 240, 0.5) 100%
            );
        border: 1px solid rgba(255, 255, 255, 0.85);
        box-shadow: var(--lt-3d-shadow-hover);
        backdrop-filter: var(--lt-glass-blur);
        -webkit-backdrop-filter: var(--lt-glass-blur);
    }

    body.light-mode .mh-hero__panel {
        background:
            linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.8) 100%);
        border-top: 1px solid rgba(255, 255, 255, 0.9);
    }

    body.light-mode .mh-bento-card__link,
    body.light-mode .mh-app-card,
    body.light-mode .mh-trust li {
        background:
            linear-gradient(
                150deg,
                rgba(255, 255, 255, 0.85) 0%,
                rgba(241, 245, 249, 0.6) 100%
            ) !important;
        border: 1px solid rgba(255, 255, 255, 0.88) !important;
        box-shadow: var(--lt-3d-shadow) !important;
        backdrop-filter: blur(16px) saturate(1.4);
        -webkit-backdrop-filter: blur(16px) saturate(1.4);
    }

    body.light-mode .mh-bento-card__link:active,
    body.light-mode .mh-app-card:active {
        transform: translateY(1px);
        box-shadow:
            inset 0 1px 0 rgba(148, 163, 184, 0.15),
            0 2px 8px rgba(15, 23, 42, 0.06) !important;
    }

    body.light-mode .page-content:has(.mh) .mh-dock {
        background:
            linear-gradient(
                180deg,
                rgba(255, 255, 255, 0.82) 0%,
                rgba(248, 250, 252, 0.92) 100%
            );
        border-top: 1px solid rgba(255, 255, 255, 0.9);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.95),
            0 -12px 40px rgba(15, 23, 42, 0.08);
        backdrop-filter: var(--lt-glass-blur);
        -webkit-backdrop-filter: var(--lt-glass-blur);
    }
}

/* ---- Footer & newsletter — gümüş cam ---- */
body.light-mode .footer-newsletter__card {
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.78) 0%,
            rgba(241, 245, 249, 0.55) 55%,
            rgba(226, 232, 240, 0.4) 100%
        ) !important;
    border: 1px solid rgba(255, 255, 255, 0.88) !important;
    box-shadow: var(--lt-3d-shadow) !important;
    backdrop-filter: var(--lt-glass-blur);
    -webkit-backdrop-filter: var(--lt-glass-blur);
}

body.light-mode .partner-marquee__glass {
    background:
        linear-gradient(
            90deg,
            rgba(255, 255, 255, 0.7) 0%,
            rgba(248, 250, 252, 0.5) 50%,
            rgba(255, 255, 255, 0.7) 100%
        ) !important;
    border-color: rgba(255, 255, 255, 0.75) !important;
    box-shadow: var(--lt-3d-shadow) !important;
}

/* ---- Çerez banner — cam kart ---- */
body.light-mode .cookie-consent__glass::before,
html[data-theme="light"] .cookie-consent__glass::before {
    background:
        linear-gradient(
            155deg,
            rgba(255, 255, 255, 0.88) 0%,
            rgba(241, 245, 249, 0.72) 50%,
            rgba(226, 232, 240, 0.55) 100%
        ) !important;
    backdrop-filter: blur(28px) saturate(1.6) !important;
    -webkit-backdrop-filter: blur(28px) saturate(1.6) !important;
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        0 16px 48px rgba(15, 23, 42, 0.12),
        0 0 60px rgba(1, 177, 175, 0.08) !important;
}

html[data-theme="light"] #cookie-popup .cookie-btn--accept,
body.light-mode #cookie-popup .cookie-btn--accept {
    background: linear-gradient(
        135deg,
        #0d9488 0%,
        #14b8a6 35%,
        #01b1af 65%,
        #018a88 100%
    ) !important;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.45),
        inset 0 -2px 0 rgba(0, 0, 0, 0.08),
        0 6px 20px rgba(1, 177, 175, 0.4),
        0 2px 4px rgba(15, 23, 42, 0.1) !important;
    transform: translateY(0);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme="light"] #cookie-popup .cookie-btn--accept:hover,
body.light-mode #cookie-popup .cookie-btn--accept:hover {
    transform: translateY(-2px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 10px 28px rgba(1, 177, 175, 0.45),
        0 4px 8px rgba(15, 23, 42, 0.12) !important;
}

html[data-theme="light"] #cookie-popup .cookie-btn--reject,
body.light-mode #cookie-popup .cookie-btn--reject {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(241, 245, 249, 0.85) 100%) !important;
    border: 1px solid rgba(148, 163, 184, 0.45) !important;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        0 4px 12px rgba(15, 23, 42, 0.06) !important;
}

/* ---- Altıgen grid — gümüş kenarlar (beyaz yıkama yok) ---- */
body.light-mode .hex-grid .grid {
    opacity: 0.15;
    filter: contrast(1.04) brightness(0.93) saturate(0.5);
}

body.light-mode .hex-grid .grid-glow {
    filter: brightness(1.5) saturate(1.5)
        drop-shadow(0 0 8px rgba(94, 234, 212, 0.65))
        drop-shadow(0 0 24px rgba(1, 177, 175, 0.45));
}

/* ---- Genel butonlar & formlar ---- */
body.light-mode .btn-primary,
body.light-mode button[type="submit"]:not(.cookie-btn):not(.theme-toggle) {
    background: linear-gradient(
        135deg,
        #0d9488 0%,
        #01b1af 50%,
        #018a88 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.35),
        inset 0 -1px 0 rgba(0, 0, 0, 0.06),
        0 6px 20px rgba(1, 177, 175, 0.3);
}

@media (prefers-reduced-motion: no-preference) {
    body.light-mode .solution-card__panel,
    body.light-mode .mh-bento-card__link {
        will-change: transform;
    }
}

body.light-mode .language-picker__menu,
body.light-mode #languagePickerMenu {
    background:
        linear-gradient(165deg, rgba(255, 255, 255, 0.92) 0%, rgba(241, 245, 249, 0.85) 100%) !important;
    border: 1px solid rgba(255, 255, 255, 0.9) !important;
    box-shadow: var(--lt-3d-shadow-hover) !important;
    backdrop-filter: var(--lt-glass-blur);
    -webkit-backdrop-filter: var(--lt-glass-blur);
}

@media (prefers-reduced-motion: reduce) {
    body.light-mode .solution-card__panel:hover {
        transform: none;
    }
}