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

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

body {
    overflow-x: hidden;
}

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

#navbar.scrolled {
    background-color: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease, left 0.3s ease;
}

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

/* === MOBILE MENU === */
#mobileMenu {
    animation: slideDown 0.3s ease forwards;
}

#mobileMenu.hidden {
    animation: slideUp 0.3s ease forwards;
}

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

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

.mobile-link {
    position: relative;
    padding-left: 0;
}

/* === HERO BLOBS === */
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: float 8s ease-in-out infinite;
}

.blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.6), transparent);
    top: -10%;
    right: -5%;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(94, 234, 212, 0.5), transparent);
    bottom: 10%;
    left: -5%;
    animation-delay: -3s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent);
    top: 40%;
    left: 30%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* === REVEAL ANIMATIONS === */
.reveal-up {
    opacity: 1;
    transform: translateY(0);
    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 {
    opacity: 1;
    transform: translateX(0);
    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 {
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hidden initial state — applied by JS for progressive enhancement */
.reveal-up.is-hidden,
.reveal-left.is-hidden,
.reveal-right.is-hidden {
    opacity: 0;
    transform: translateY(30px);
}

.reveal-left.is-hidden {
    transform: translateX(-30px);
}

.reveal-right.is-hidden {
    transform: translateX(30px);
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .reveal-up.is-hidden,
    .reveal-left.is-hidden,
    .reveal-right.is-hidden {
        opacity: 1;
        transform: none;
    }
    
    .hero-blob {
        animation: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    * {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* === BEER CARD HOVER === */
.group:hover .group-hover\:-translate-y-0\.5 {
    transform: translateY(-2px);
}

/* === FOCUS STYLES === */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* === SELECTION === */
::selection {
    background-color: rgba(20, 184, 166, 0.3);
    color: #134e4a;
}

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

::-webkit-scrollbar-track {
    background: #f0fdfa;
}

::-webkit-scrollbar-thumb {
    background: #99f6e4;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #5eead4;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
    .font-serif {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    #hero h1 {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
}