/* === RESET & BASE === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    color: #0f2140;
    background: #ffffff;
    overflow-x: hidden;
}

::selection {
    background: #d4a017;
    color: #0a1628;
}

/* === NAVBAR === */
#navbar {
    background: transparent;
    transition: background 0.5s ease, box-shadow 0.5s ease;
}

#navbar.scrolled {
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a017;
    transition: width 0.3s ease;
}

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

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

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

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

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === SCROLL REVEAL === */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Default state for reveal elements — visible when JS is disabled */
.reveal {
    transform: translateY(0);
}

.reveal.reveal-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    .reveal.reveal-animate {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* === BUTTON HOVER EFFECTS === */
a, button {
    -webkit-tap-highlight-color: transparent;
}

/* === FORM STYLES === */
input:focus,
select:focus,
textarea:focus {
    border-color: #d4a017 !important;
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: #94a3b8;
}

/* === IMAGE PLACEHOLDERS === */
img {
    max-width: 100%;
    height: auto;
}

/* === CUSTOM SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #d4a017;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e2b532;
}

/* === UTILITY ANIMATIONS === */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(12deg); }
    50% { transform: translateY(-12px) rotate(12deg); }
}

@keyframes pulse-ring {
    0% { transform: scale(0.8); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0; }
    100% { transform: scale(0.8); opacity: 0.5; }
}

/* === RESPONSIVE ADJUSTMENTS === */
@media (max-width: 767px) {
    .font-display {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}