/* ============================================
   Desert Island Dream B & B — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: #cc411c;
    color: #fefdfb;
}

/* ============================================
   Navigation
   ============================================ */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #cc411c;
    transition: width 0.3s ease;
}

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

/* Navbar scroll state */
.navbar-scrolled {
    background: rgba(247, 243, 237, 0.95) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.navbar-scrolled .nav-logo-text {
    color: #3d3529 !important;
}

.navbar-scrolled .nav-link {
    color: rgba(61, 53, 41, 0.7) !important;
}

/* Mobile menu open state */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-nav-link {
    position: relative;
}

/* Menu toggle animation */
#menu-line-1 {
    transform-origin: center;
}

#menu-line-2 {
    transform-origin: center;
}

.menu-active #menu-line-1 {
    transform: translateY(35%) rotate(45deg);
}

.menu-active #menu-line-2 {
    transform: translateY(-35%) rotate(-45deg);
}

/* ============================================
   Hero Animations
   ============================================ */
.hero-tagline {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.hero-headline {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.hero-subtitle {
    animation: slideUp 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Room Cards
   ============================================ */
.room-card {
    transition: transform 0.4s ease;
}

.room-card:hover {
    transform: translateY(-4px);
}

/* ============================================
   Experience Cards
   ============================================ */
.experience-card {
    transition: transform 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.experience-card:hover {
    transform: translateY(-4px);
}

/* ============================================
   Gallery Items
   ============================================ */
.gallery-item {
    overflow: hidden;
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(61, 53, 41, 0);
    transition: background 0.3s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    background: rgba(61, 53, 41, 0.05);
}

/* ============================================
   Scroll Reveal (Progressive Enhancement)
   Only active when user prefers motion
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .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; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

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

/* ============================================
   Form Styles
   ============================================ */
.form-input {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid rgba(61, 53, 41, 0.15);
    border-radius: 12px;
    background: transparent;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 15px;
    color: #3d3529;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
}

.form-input::placeholder {
    color: rgba(61, 53, 41, 0.4);
}

.form-input:focus {
    border-color: #cc411c;
    box-shadow: 0 0 0 3px rgba(204, 65, 28, 0.1);
}

.form-input:disabled {
    background: rgba(61, 53, 41, 0.04);
    cursor: not-allowed;
}

/* Success message */
.form-success {
    display: none;
    text-align: center;
    padding: 24px;
}

.form-success.show {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #cc411c;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
    z-index: 40;
    border: none;
    box-shadow: 0 4px 14px rgba(204, 65, 28, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #a83318;
    box-shadow: 0 6px 20px rgba(204, 65, 28, 0.4);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 767px) {
    .back-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 42px;
        height: 42px;
    }
}

@media (min-width: 768px) {
    .back-to-top {
        bottom: 2rem;
        right: 2rem;
    }
}