/* ===== Base & Utilities ===== */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* ===== Scroll Reveal Animation ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* ===== Blob Animations ===== */
@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 50px) scale(1.05);
    }
}

.animate-blob {
    animation: blob 8s ease-in-out infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* ===== Navbar Scroll State ===== */
#navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Nav Link Hover Effect ===== */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #6BC7B0;
    transition: width 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    width: 100%;
}

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

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

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.3s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.4s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.5s; }

/* ===== Image Hover Zoom ===== */
.group:hover .group-hover\:scale-110 {
    transform: scale(1.1);
}

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

::-webkit-scrollbar-track {
    background: #0A1628;
}

::-webkit-scrollbar-thumb {
    background: #6BC7B0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4DB89A;
}

/* ===== Selection Color ===== */
::selection {
    background: rgba(107, 199, 176, 0.3);
    color: #0A1628;
}

/* ===== Focus Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Responsive Adjustments ===== */
@media (max-width: 768px) {
    .font-serif.text-5xl,
    .font-serif.text-6xl {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .font-serif.text-4xl {
        font-size: 2rem;
    }
}

/* ===== Print Styles ===== */
@media print {
    #navbar,
    .animate-blob,
    .hero-blob {
        display: none;
    }
}