/* ===================================
   The Altitude Adjustment Cabin
   Classic & Elegant Mountain Retreat
   =================================== */

/* --- CSS Variables --- */
:root {
    --plum-950: #1a0a1e;
    --plum-900: #2d1033;
    --plum-800: #4a1550;
    --plum-700: #6b1d6e;
    --plum-600: #8b2490;
    --plum-500: #a832b0;
    --plum-400: #c45dd0;
    --plum-100: #f5e6fa;
    --plum-50: #faf0fd;
    
    --amber-900: #5c3a0a;
    --amber-700: #b8780a;
    --amber-600: #d4910f;
    --amber-500: #e8a820;
    --amber-400: #f0c050;
    --amber-300: #f5d480;
    --amber-100: #fdf6e3;
    --amber-50: #fefcf5;
    
    --neutral-950: #0f0f0f;
    --neutral-900: #1a1a1a;
    --neutral-800: #2d2d2d;
    --neutral-700: #404040;
    --neutral-600: #525252;
    --neutral-500: #737373;
    --neutral-400: #a3a3a3;
    --neutral-300: #d4d4d4;
    --neutral-200: #e5e5e5;
    --neutral-100: #f5f5f5;
    --neutral-50: #fafafa;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 2px rgba(26, 10, 30, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(26, 10, 30, 0.08), 0 2px 4px -1px rgba(26, 10, 30, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(26, 10, 30, 0.1), 0 4px 6px -2px rgba(26, 10, 30, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(26, 10, 30, 0.12), 0 10px 10px -5px rgba(26, 10, 30, 0.06);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--neutral-800);
    background-color: var(--amber-50);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--plum-700);
    color: #ffffff;
    border-color: var(--plum-700);
}

.btn-primary:hover {
    background-color: var(--plum-800);
    border-color: var(--plum-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--plum-700);
    border-color: var(--plum-700);
}

.btn-secondary:hover {
    background-color: var(--plum-700);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* --- Section Labels --- */
.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--amber-700);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 2.5rem;
}

.section-label::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.5rem;
    height: 2px;
    background-color: var(--amber-700);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 600;
    color: var(--plum-900);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-600);
    max-width: 540px;
    line-height: 1.8;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(254, 252, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(107, 29, 110, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--plum-900);
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--amber-700);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--neutral-700);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--amber-700);
    transition: var(--transition);
}

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

.nav-links a:hover {
    color: var(--plum-700);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background-color: var(--plum-900);
    transition: var(--transition);
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--amber-50) 0%, var(--plum-50) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    padding: 2rem 0;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.75rem, 5vw, 4.5rem);
    font-weight: 600;
    color: var(--plum-900);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.1875rem;
    color: var(--neutral-600);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--plum-700);
    line-height: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--neutral-500);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 3rem;
    background-color: var(--plum-200);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
}

.hero-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--amber-400), var(--amber-600));
    border-radius: 8px;
    z-index: -1;
    opacity: 0.3;
}

/* --- About --- */
.about {
    padding: 8rem 0;
    background-color: var(--neutral-50);
}

.about .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    width: 2rem;
    height: 2rem;
    color: var(--amber-700);
    flex-shrink: 0;
}

.feature span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--plum-900);
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* --- Amenities --- */
.amenities {
    padding: 8rem 0;
    background-color: var(--plum-900);
}

.amenities .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.amenities .section-label {
    color: var(--amber-400);
}

.amenities .section-label::before {
    background-color: var(--amber-400);
}

.amenities .section-title {
    color: #ffffff;
}

.amenities .section-subtitle {
    color: var(--plum-200);
    margin: 0 auto;
}

.amenities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.amenity-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 2.5rem;
    transition: var(--transition);
}

.amenity-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.amenity-icon {
    width: 3rem;
    height: 3rem;
    color: var(--amber-400);
    margin-bottom: 1.5rem;
}

.amenity-card h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.amenity-card p {
    font-size: 0.9375rem;
    color: var(--plum-200);
    line-height: 1.7;
}

/* --- Location --- */
.location {
    padding: 8rem 0;
    background-color: var(--amber-50);
}

.location .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.location-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    line-height: 1.9;
    margin-bottom: 2rem;
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.location-details li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    color: var(--neutral-700);
}

.location-details svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--amber-700);
    flex-shrink: 0;
}

.location-details a {
    color: var(--plum-700);
    font-weight: 600;
}

.location-details a:hover {
    color: var(--plum-500);
    text-decoration: underline;
}

.location-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

/* --- Contact --- */
.contact {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--plum-800) 0%, var(--plum-900) 100%);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact .section-label {
    color: var(--amber-400);
}

.contact .section-label::before {
    background-color: var(--amber-400);
}

.contact .section-title {
    color: #ffffff;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--plum-200);
    line-height: 1.9;
    margin-bottom: 2.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #ffffff;
    font-size: 1.0625rem;
    font-weight: 500;
}

.contact-item svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--amber-400);
}

.contact-item:hover {
    color: var(--amber-400);
}

.contact-form-wrapper {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--amber-300);
}

.form-group input,
.form-group textarea {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    padding: 0.875rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: #ffffff;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--plum-400);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--amber-500);
    background-color: rgba(255, 255, 255, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: rgba(74, 222, 128, 0.1);
    border: 1px solid rgba(74, 222, 128, 0.3);
    border-radius: 4px;
    color: #4ade80;
    font-weight: 600;
}

.form-success svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* --- Footer --- */
.footer {
    background-color: var(--neutral-950);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--neutral-500);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--neutral-400);
}

.footer-links a:hover {
    color: var(--amber-400);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact p {
    font-size: 0.9375rem;
    color: var(--neutral-400);
}

.footer-contact a {
    color: var(--neutral-400);
}

.footer-contact a:hover {
    color: var(--amber-400);
}

.footer-bottom {
    border-top: 1px solid var(--neutral-800);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--neutral-600);
}

/* --- Mobile Menu --- */
.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: rgba(254, 252, 245, 0.98);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-bottom: 1px solid rgba(107, 29, 110, 0.1);
    box-shadow: var(--shadow-lg);
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-menu a {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--neutral-700);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-container {
        gap: 2rem;
    }
    
    .amenities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image img {
        height: 400px;
    }
    
    .hero-image-accent {
        display: none;
    }
    
    .about .container,
    .location .container,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-image img,
    .location-image img {
        height: 300px;
    }
    
    .amenities-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}