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

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

::selection {
    background-color: #c9a84c;
    color: #0a1628;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    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);
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Navbar Transition ===== */
#navbar.scrolled {
    background-color: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled #nav-logo,
#navbar.scrolled #nav-link-1,
#navbar.scrolled #nav-link-2,
#navbar.scrolled #nav-link-3,
#navbar.scrolled #nav-link-4 {
    color: #ffffff;
}

/* ===== Mobile Menu ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-link {
    animation: fadeDown 0.4s ease forwards;
    opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.3s; }

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Hamburger Animation ===== */
#mobile-menu-btn.active #menu-line-1 {
    transform: translateY(6px) rotate(45deg);
}

#mobile-menu-btn.active #menu-line-2 {
    opacity: 0;
}

#mobile-menu-btn.active #menu-line-3 {
    transform: translateY(-6px) rotate(-45deg);
}

/* ===== Button Hover Effects ===== */
a, button {
    transition: all 0.3s ease;
}

/* ===== Image Hover ===== */
.overflow-hidden {
    position: relative;
}

.overflow-hidden::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 60%, rgba(10, 22, 40, 0.15));
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    border-radius: inherit;
}

.overflow-hidden:hover::after {
    opacity: 1;
}

/* ===== Gold Accent Line ===== */
.gold-line {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #c9a84c, #d4b962);
    border: none;
    border-radius: 2px;
}

/* ===== Focus Styles ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #c9a84c;
    outline-offset: 2px;
}

/* ===== Smooth Scroll Offset for Fixed Nav ===== */
section[id] {
    scroll-margin-top: 80px;
}

/* ===== Subtle Pattern Overlay for Navy Sections ===== */
.bg-navy-800::before,
.bg-navy-900::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, 0.03) 0%, transparent 60%),
                      radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: #1a3a6b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #c9a84c;
}