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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

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

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

@keyframes pulseSlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}

.animate-pulse-slow {
    animation: pulseSlow 4s ease-in-out infinite;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* ===== Stagger children ===== */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.3s; }

.stagger-children.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Navbar ===== */
#navbar {
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
}

#navbar.scrolled {
    background: rgba(6, 14, 30, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201, 168, 76, 0.1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Service Cards ===== */
.service-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(201, 168, 76, 0.15);
}

/* ===== Gallery ===== */
.gallery-item {
    cursor: pointer;
}

.gallery-item img {
    will-change: transform;
}

/* ===== Button hover glow ===== */
button:hover,
a:hover {
    will-change: transform;
}

/* ===== Selection ===== */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #fff;
}

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

::-webkit-scrollbar-track {
    background: #060e1e;
}

::-webkit-scrollbar-thumb {
    background: rgba(201, 168, 76, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(201, 168, 76, 0.5);
}

/* ===== Mobile menu animation ===== */
#mobile-menu {
    animation: fadeIn 0.3s ease forwards;
}

#mobile-menu.closing {
    animation: fadeIn 0.2s ease reverse forwards;
}

/* ===== Form focus styles ===== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

/* ===== Responsive tweaks ===== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}