/* ============================================
   FADE ZONE — Custom Styles
   Bold editorial · Teal + Slate Grey
   ============================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(13, 148, 136, 0.4);
    color: #f0fdfa;
}

/* ---- Navbar ---- */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(2, 6, 23, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(13, 148, 136, 0.15);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

/* ---- Floating Cards Animation ---- */
.floating-card {
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 7s;
}

.floating-card:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-16px); }
}

/* ---- Service Cards ---- */
.service-card {
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), 
                border-color 0.5s ease,
                box-shadow 0.5s ease;
}

.service-card:hover {
    box-shadow: 0 20px 60px rgba(13, 148, 136, 0.12),
                0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ---- Gallery ---- */
.gallery-item {
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.gallery-item:hover {
    transform: scale(1.02);
    z-index: 2;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 6, 23, 0.4) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* ---- Mobile Menu ---- */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ---- Menu Lines Animation ---- */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease, width 0.3s ease;
}

#menuToggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menuToggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuToggle.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Scroll Reveal (progressive enhancement) ---- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), 
                    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .floating-card {
        animation: none;
    }

    .gallery-item img {
        transition: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ---- Custom Scrollbar ---- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0d9488;
}

/* ---- Select dropdown ---- */
select option {
    background: #1e293b;
    color: #f1f5f9;
}

/* ---- Responsive Tweaks ---- */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}