/* ===== Rose Palace — Custom Styles ===== */

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

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f0fdfa;
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(13, 15, 20, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #14b8a6, #fbbf24);
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

/* ===== Mobile Menu ===== */
.mobile-link {
    font-size: 1.25rem;
    letter-spacing: 0.15em;
}

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

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line {
    transition: all 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) {
    width: 24px;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ===== Fade-in Animation ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* ===== Gold shimmer on text ===== */
@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.text-gold-shimmer {
    background: linear-gradient(90deg, #fbbf24, #fde68a, #fbbf24);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
}

/* ===== Button ripple ===== */
@keyframes ripple {
    0% { transform: scale(0); opacity: 0.5; }
    100% { transform: scale(4); opacity: 0; }
}

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

::-webkit-scrollbar-track {
    background: #0d0f14;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #14b8a6, #0d9488);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2dd4bf, #14b8a6);
}

/* ===== Select dropdown ===== */
select option {
    background: #111827;
    color: #d1d5db;
}

/* ===== Responsive adjustments ===== */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 73px;
    }

    #hero h1 {
        font-size: 2.75rem;
    }

    .floating-card {
        position: relative;
        bottom: auto;
        left: auto;
        margin-top: 1rem;
    }
}

@media (max-width: 640px) {
    #hero h1 {
        font-size: 2.25rem;
    }

    .font-serif.text-4xl {
        font-size: 2rem;
    }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .fade-in {
        opacity: 1;
        transform: none;
    }
}