/* Design System: Aussen Alster Hotel "Midnight Boutique" */

:root {
    /* Colors */
    --color-bg: #0d0d0d; /* Slightly deeper black */
    --color-bg-alt: #161616; /* Refined anthracite depth */
    --color-primary: #F5E8D8; /* Noble Champagne */
    --color-secondary: #d9c5b2; /* Warm Beige */
    --color-accent: #b89b5e; /* Muted Gold/Bronze */
    --color-text: #F5E8D8;
    --color-text-muted: #8e8e8e;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 6.5rem;
    
    /* Effects */
    --glass-bg: rgba(18, 18, 18, 0.85);
    --glass-blur: blur(15px);
    --shadow-premium: 0 15px 45px rgba(0, 0, 0, 0.5);
    --transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Base Reset & Imports */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@100..900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(3rem, 10vw, 6rem); }
h2 { font-size: clamp(2rem, 6vw, 4rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2.5rem); }

p {
    margin-bottom: var(--space-md);
    font-weight: 300;
    font-size: 1.15rem;
    color: var(--color-secondary);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Layout Utilities */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.desktop-only { display: block !important; }
.mobile-only { display: none !important; }

.section {
    padding: var(--space-xl) 0;
}

.grid {
    display: grid;
    gap: var(--space-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }

/* Boutique Style Titles */
.boutique-title {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.boutique-title h2 {
    position: relative;
    display: inline-block;
}

.boutique-title span {
    font-style: italic;
    color: var(--color-accent);
    font-size: 1.4em;
    margin-right: -0.1em;
    font-weight: 400;
}

.boutique-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
    margin: var(--space-sm) auto 0;
}

/* Noble Dividers */
.noble-divider {
    text-align: center;
    padding: var(--space-md) 0;
    opacity: 0.8;
}

.noble-divider::before {
    content: '◈'; /* Noble Diamond */
    color: var(--color-accent);
    font-size: 2.2rem;
    letter-spacing: 20px;
    margin-right: -20px;
}

.swan-divider {
    text-align: center;
    padding: var(--space-lg) 0;
    position: relative;
    margin: var(--space-md) 0;
}

.swan-divider::after {
    content: '𓅟'; /* Stylized Swan */
    font-size: 5rem;
    color: var(--color-accent);
    opacity: 0.5;
}

/* Boutique Blocks & Harmonization */
.premium-block {
    display: block;
    position: relative;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}
#top {
    position: relative;
    overflow-x: hidden;
}

.integrated-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--space-xl) / 1.5);
    align-items: center;
}

/* Navigation */
#main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

#main-nav.scrolled {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    padding: 12px 0;
    border-bottom: 1px solid rgba(184, 155, 94, 0.1);
}

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

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-accent);
    color: var(--color-bg);
    padding: 10px 20px;
    z-index: 2000;
    transition: top 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.skip-link:focus {
    top: 0;
}

/* Focus States */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo img {
    height: 50px;
    filter: brightness(1.2);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary);
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 45px;
    border-radius: 2px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.btn-outline {
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    position: relative;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(18,18,18,0.7), rgba(18,18,18,0.3));
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1000px;
}

/* Zimmer Section Integration */
.rooms-showcase {
    background: linear-gradient(to bottom, var(--color-bg), var(--color-bg-alt));
    padding-bottom: var(--space-xl);
}

.rooms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.featured-room {
    grid-column: span 3;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    background: transparent;
    margin-bottom: var(--space-xl);
    align-items: center;
}

.room-card {
    background: transparent;
    transition: var(--transition);
}

.room-card:hover {
    transform: translateY(-5px);
}

.room-card .room-img {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    box-shadow: var(--shadow-premium);
}

.room-card .room-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s ease;
}

.room-card:hover .room-img img {
    transform: scale(1.05);
}

.room-card h3 {
    font-size: 1.8rem;
    margin-bottom: 5px;
    letter-spacing: 1px;
    color: var(--color-primary);
}

.room-card p {
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 0;
}

/* Featured Room Specifics */
.featured-room .room-img {
    height: 500px;
}

.featured-room .room-info {
    padding: var(--space-lg);
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .rooms-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-room { grid-column: span 2; grid-template-columns: 1fr; }
    .featured-room .room-img { height: 350px; }
}

@media (max-width: 768px) {
    .rooms-grid { grid-template-columns: 1fr; }
    .featured-room { grid-column: span 1; }
}

.room-img::after {
    content: '';
    position: absolute;
    top:0; left:0; width:100%; height:100%;
    background: linear-gradient(to top, var(--color-bg-alt), transparent 40%);
}

.room-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.5s ease;
}

.room-card:hover .room-img img {
    transform: scale(1.1);
}

.room-info {
    padding: var(--space-md);
}

/* Contact & Integrated Sections */
.contact-grid, .integrated-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    background: transparent;
    padding: 0;
}

/* Modals (Legal) */
dialog {
    background: var(--color-bg-alt);
    color: var(--color-text);
    border: 1px solid var(--color-accent);
    padding: var(--space-lg);
    max-width: 900px;
    width: 90%;
    max-height: 80vh;
    border-radius: 2px;
    box-shadow: var(--shadow-premium);
    margin: auto;
}

iframe {
    width: 100%;
    border-radius: 2px;
    box-shadow: var(--shadow-premium);
    filter: grayscale(1) invert(0.9) hue-rotate(180deg) brightness(0.8) contrast(1.2);
    transition: var(--transition);
}

iframe:hover {
    filter: grayscale(0.5) invert(0.8) hue-rotate(180deg) brightness(0.9) contrast(1.1);
}

dialog::backdrop {
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.dialog-close {
    position: sticky;
    top: 0;
    float: right;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--color-accent);
}

.dialog-content {
    overflow-y: auto;
    padding-top: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group input, 
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(245, 232, 216, 0.2);
    padding: 15px 0;
    color: var(--color-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--color-accent);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s ease, transform 1.2s ease;
}
/* Benefits Strip */
.benefit-strip {
    background: rgba(184, 155, 94, 0.05);
    border-top: 1px solid rgba(184, 155, 94, 0.15);
    border-bottom: 1px solid rgba(184, 155, 94, 0.15);
    padding: 25px 0;
    margin: var(--space-xl) 0;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    align-items: center;
}

.benefit-item {
    text-align: center;
    padding: 0 15px;
    border-right: 1px solid rgba(184, 155, 94, 0.1);
}

.benefit-item:last-child {
    border-right: none;
}

.benefit-item span {
    display: block;
    color: var(--color-accent);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.benefit-item p {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0;
    opacity: 0.6;
}

@media (max-width: 768px) {
    .benefit-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .benefit-item {
        border-right: none;
        border-bottom: 1px solid rgba(184, 155, 94, 0.1);
        padding-bottom: var(--space-md);
    }
    .benefit-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Floating Elements */
.whatsapp-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
}

/* ==========================================
   MOBILE PERFECTION (Nuclear Fixes)
   ========================================== */

@media (max-width: 1024px) {
    /* Base Reset */
    html, body {
        overflow-x: hidden !important;
        position: relative;
        width: 100%;
        margin: 0;
        padding: 0;
    }

    * { box-sizing: border-box !important; }

    /* Header Perfection */
    .nav-container {
        padding: 0 15px !important;
        height: 70px !important;
        display: flex !important;
        justify-content: flex-start !important;
        align-items: center !important;
        position: relative !important;
    }

    .logo { margin-right: auto !important; }
    .logo img { height: 25px !important; width: auto !important; }

    #book-btn {
        position: absolute !important;
        right: 60px !important;
        padding: 8px 15px !important;
        font-size: 9px !important;
        margin: 0 !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
    }

    .mobile-nav-toggle {
        display: block !important;
        position: absolute !important;
        right: 15px !important;
        top: 50% !important;
        transform: translateY(-50%) !important;
        width: 30px !important;
        height: 30px !important;
        background: transparent !important;
        border: none !important;
        cursor: pointer !important;
        padding: 0 !important;
        z-index: 1100 !important;
    }

    .mobile-nav-toggle span {
        display: block !important;
        width: 100% !important;
        height: 2px !important;
        background: var(--color-primary) !important;
        margin: 5px 0 !important;
        transition: var(--transition) !important;
    }

    .mobile-nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px) !important; }
    .mobile-nav-toggle.active span:nth-child(2) { opacity: 0 !important; }
    .mobile-nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px) !important; }

    .desktop-only { display: none !important; }
    .mobile-only { display: block !important; }

    /* Nav Links Overlay */
    .nav-links {
        position: fixed !important;
        top: 0 !important;
        right: -100% !important;
        width: 100% !important;
        height: 100vh !important;
        background: var(--color-bg) !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        transition: 0.5s ease-in-out !important;
        z-index: 1050 !important;
        gap: 25px !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .nav-links.active { right: 0 !important; }
    .nav-links li { width: 100%; text-align: center; }
    .nav-links a { font-size: 1.5rem !important; display: block; padding: 10px; }

    /* Layout Nuclear: Force 1-Column */
    .grid, .grid-2, .grid-3, .rooms-grid, .contact-grid, .integrated-section, .benefit-grid {
        display: block !important;
        width: 100% !important;
        padding: 0 !important;
        margin-top: var(--space-md) !important;
    }

    .grid-2 > div, .grid-3 > div, .rooms-grid > div, .contact-grid > div, .integrated-section > div, .benefit-item {
        width: 100% !important;
        margin-bottom: var(--space-lg) !important;
        padding: 0 !important;
        border-right: none !important;
        text-align: center !important;
    }

    /* Heading Fix: Un-fragment Boutique Titles */
    .boutique-title h2 { 
        font-size: 1.8rem !important; 
        letter-spacing: 2px !important;
        white-space: normal !important;
        text-align: center !important;
    }
    
    .boutique-title h2 span {
        display: inline !important;
        color: var(--color-accent) !important;
        font-family: inherit !important;
        font-size: inherit !important;
        padding: 0 !important;
        margin: 0 !important;
        border: none !important;
    }

    /* Hero & Spacing */
    .hero { height: 85vh !important; }
    .hero-content h1 { font-size: 2rem !important; }
    .hero-content div { flex-direction: column !important; }
    .hero-content .btn { width: 100% !important; margin-bottom: 10px; }

    .section { padding: var(--space-lg) 0 !important; }
    iframe, img { width: 100% !important; border-radius: 2px !important; }
    
    /* Map Noir Filter for Mobile Consistency */
    iframe {
        filter: grayscale(1) invert(0.9) hue-rotate(180deg) brightness(0.8) contrast(1.2) !important;
    }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.6rem !important; }
    .boutique-title h2 { font-size: 1.4rem !important; }
}