/* === BASE === */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

::selection {
    background: rgba(212, 168, 67, 0.3);
    color: #FDF6E3;
}

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

#navbar.scrolled {
    background: rgba(5, 13, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(212, 168, 67, 0.08);
}

#navbar.scrolled .menu-line {
    background: #E8C06A;
}

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

.mobile-link {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

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

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

/* === FLOATING CARDS === */
.floating-card {
    animation: float1 6s ease-in-out infinite;
}

.floating-card-2 {
    animation: float2 7s ease-in-out infinite;
}

.floating-card-3 {
    animation: float3 5.5s ease-in-out infinite;
}

.floating-card-4 {
    animation: float4 6.5s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(0.5deg); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-18px) rotate(-0.5deg); }
}

@keyframes float3 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes float4 {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-16px) rotate(-0.3deg); }
}

/* === SCROLL REVEAL (progressive enhancement) === */
@media (prefers-reduced-motion: no-preference) {
    .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-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
}

/* === PRODUCT CARDS === */
.product-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(212, 168, 67, 0.2);
}

/* === BUTTONS === */
a {
    text-decoration: none;
}

button {
    cursor: pointer;
}

/* === FOCUS STYLES === */
a:focus-visible, button:focus-visible {
    outline: 2px solid #D4A843;
    outline-offset: 3px;
    border-radius: 4px;
}

/* === SMOOTH IMAGE LOADING === */
img {
    display: block;
    max-width: 100%;
}

/* === FORM STYLES === */
input, textarea {
    background: rgba(15, 31, 54, 0.8);
    border: 1px solid rgba(212, 168, 67, 0.2);
    color: #FDF6E3;
    border-radius: 8px;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 0.95rem;
    width: 100%;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: rgba(212, 168, 67, 0.6);
    box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1);
}

input::placeholder, textarea::placeholder {
    color: rgba(253, 246, 227, 0.3);
}

/* === MOBILE MENU BUTTON ANIMATION === */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 1.25rem;
    margin-left: 0;
}