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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 160, 23, 0.3);
    color: #f0f0f0;
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #070d14;
}
::-webkit-scrollbar-thumb {
    background: #1e2d3d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #d4a017;
}

/* ========== NAVIGATION ========== */
#site-header {
    background: transparent;
    transition: background 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

#site-header.scrolled {
    background: rgba(7, 13, 20, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 160, 23, 0.1);
}

.menu-line {
    transition: all 0.3s ease;
}

#mobile-menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}
#mobile-menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
    margin-left: 0;
}

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

.mobile-menu-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

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

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

/* ========== REVEAL ANIMATIONS ========== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Desktop: animate on scroll */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Mobile: show immediately (no scroll reveal) */
@media (max-width: 767px) {
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ========== HERO ========== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

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

/* ========== FORM ========== */
input:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 1px rgba(212, 160, 23, 0.3);
}

/* ========== BACK TO TOP ========== */
#back-to-top.visible {
    opacity: 1;
    pointer-events: all;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1023px) {
    h1 {
        font-size: 3.5rem !important;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 2.75rem !important;
    }

    #site-header {
        background: rgba(7, 13, 20, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
}