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

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background-color: #7edbb6;
    color: #0a1426;
}

/* ===== Hero Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes bounceSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.animate-slide-up-delay {
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.animate-slide-up-delay-2 {
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

.animate-bounce-slow {
    animation: bounceSlow 2.5s ease-in-out infinite;
}

/* ===== Scroll Reveal (Progressive Enhancement) ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal[data-revealed="true"] {
    opacity: 1;
    transform: translateY(0);
}

/* Hidden by default for JS-enhanced reveal */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }
    .reveal[data-revealed="true"] {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(10, 20, 38, 0.08);
}

#navbar.scrolled .nav-link {
    color: #2e4d7e;
}

#navbar.scrolled .nav-link:hover {
    color: #2fb07c;
}

#navbar.scrolled .font-serif {
    color: #0a1426;
}

#navbar.scrolled .text-\[10px\] {
    color: #9eafcc;
}

#navbar.scrolled .menu-line {
    background: #2e4d7e;
}

#navbar.scrolled .mobile-link {
    color: #0a1426;
}

/* ===== Mobile Menu ===== */
.mobile-menu-open {
    overflow: hidden;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: auto;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line.open-1 {
    transform: rotate(45deg) translate(4px, 4px);
}

.menu-line.open-2 {
    opacity: 0;
}

.menu-line.open-3 {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.25rem;
}

/* ===== Card Hover Effects ===== */
.reveal .group:hover .w-14 {
    transform: scale(1.05);
}

/* ===== Form Focus Styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 176, 124, 0.15);
}

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

::-webkit-scrollbar-track {
    background: #e8ecf1;
}

::-webkit-scrollbar-thumb {
    background: #9eafcc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #506da6;
}

/* ===== Responsive Utilities ===== */
@media (max-width: 640px) {
    .font-serif {
        line-height: 1.15;
    }
}

/* ===== Print Styles ===== */
@media print {
    #navbar, #back-to-top, .animate-bounce-slow {
        display: none !important;
    }
}