/* ========================================
   Base & Typography
======================================== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(128, 0, 32, 0.15);
    color: #800020;
}

/* ========================================
   Hero Animations
======================================== */
@keyframes float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

@keyframes float-slower {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(5deg); }
}

@keyframes blob-move {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(15px, 10px) scale(1.05); }
}

.blob-1 {
    animation: blob-move 12s ease-in-out infinite;
}

.blob-2 {
    animation: blob-move 15s ease-in-out infinite reverse;
}

.blob-3 {
    animation: blob-move 18s ease-in-out infinite;
}

.float-1 { animation: float 6s ease-in-out infinite; }
.float-2 { animation: float-slow 8s ease-in-out infinite 1s; }
.float-3 { animation: float-slower 7s ease-in-out infinite 2s; }
.float-4 { animation: float 5s ease-in-out infinite 0.5s; }

/* ========================================
   Scroll Reveal
======================================== */
.reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-state="hidden"] {
    opacity: 0;
    transform: translateY(40px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(40px);
    }
    
    .reveal[data-state="visible"] {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
    }
    
    .hero-float,
    .hero-blob {
        animation: none;
    }
}

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

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.08);
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

input:focus,
select:focus,
textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #FFF8F5;
}

::-webkit-scrollbar-thumb {
    background: #f9c4d0;
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #eb6b82;
}

/* ========================================
   Back to Top
======================================== */
#back-to-top {
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#back-to-top:not(.visible) {
    opacity: 0;
    visibility: hidden;
}

/* ========================================
   Form Styles
======================================== */
select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ========================================
   Utility
======================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}