/* ============================================
   Glacier Ice Paradise — Custom Styles
   ============================================ */

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

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

body {
    margin: 0;
    min-height: 100vh;
}

/* ============================================
   Geometric Background Blobs
   ============================================ */
.geo-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.3), transparent 70%);
    top: 10%;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 248, 225, 0.5), transparent 70%);
    bottom: 20%;
    left: -50px;
    animation-delay: -7s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.25), transparent 70%);
    top: 50%;
    left: 40%;
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

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

#navbar.scrolled {
    background: rgba(255, 251, 240, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(6, 78, 59, 0.08);
}

/* ============================================
   Marquee
   ============================================ */
.marquee-track {
    animation: marqueeScroll 30s linear infinite;
}

.marquee-item {
    flex-shrink: 0;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================
   Menu Cards
   ============================================ */
.menu-card {
    will-change: transform;
}

/* ============================================
   Experience Rows
   ============================================ */
.experience-row {
    will-change: transform;
}

/* ============================================
   CTA Button
   ============================================ */
.cta-btn {
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
}

.cta-btn:hover::before {
    left: 100%;
}

/* ============================================
   Scroll Reveal Animations
   (Progressive enhancement — content is visible without JS)
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 1;
        transform: translateY(0);
        transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .reveal[data-delay="1"] { transition-delay: 0.1s; }
    .reveal[data-delay="2"] { transition-delay: 0.2s; }
    .reveal[data-delay="3"] { transition-delay: 0.3s; }
    .reveal[data-delay="4"] { transition-delay: 0.4s; }
    .reveal[data-delay="5"] { transition-delay: 0.5s; }
}

/* Reduced motion: keep everything visible */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    
    .marquee-track {
        animation: none;
    }
    
    .geo-blob {
        animation: none;
    }
}

/* ============================================
   Mobile Menu
   ============================================ */
.mobile-nav-link {
    position: relative;
}

/* ============================================
   Back to Top
   ============================================ */
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
    .geo-blob {
        opacity: 0.2;
    }
    
    .blob-1 {
        width: 200px;
        height: 200px;
    }
    
    .blob-2 {
        width: 150px;
        height: 150px;
    }
    
    .blob-3 {
        width: 100px;
        height: 100px;
    }
}

/* ============================================
   Focus Styles (Accessibility)
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #10b981;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ============================================
   Selection Color
   ============================================ */
::selection {
    background: rgba(16, 185, 129, 0.2);
    color: #064e3b;
}