/* ========================================
   RAMBLING ROOTS HOSTEL - STYLESHEET
   Clean Minimalist · Teal + Slate Grey
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-teal-50: #f0fdfa;
    --color-teal-100: #ccfbf1;
    --color-teal-200: #99f6e4;
    --color-teal-500: #14b8a6;
    --color-teal-600: #0d9488;
    --color-teal-700: #0f766e;
    --color-teal-800: #115e59;
    --color-teal-900: #134e4a;
    
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    
    --color-white: #ffffff;
    --color-black: #000000;
    
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* --- 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);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-slate-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* --- Utility --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-teal-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--color-slate-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-slate-500);
    max-width: 500px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-teal-700);
    color: var(--color-white);
    border: 1px solid var(--color-teal-700);
}

.btn-primary:hover {
    background-color: var(--color-teal-800);
    border-color: var(--color-teal-800);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-teal-700);
    border: 1px solid var(--color-teal-700);
}

.btn-outline:hover {
    background-color: var(--color-teal-700);
    color: var(--color-white);
}

.btn-ghost {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(4px);
}

.btn-ghost:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-room {
    background-color: transparent;
    color: var(--color-teal-700);
    border: 1px solid var(--color-teal-200);
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
}

.btn-outline-room:hover {
    background-color: var(--color-teal-50);
    border-color: var(--color-teal-500);
}

.btn-outline-map {
    background-color: transparent;
    color: var(--color-teal-700);
    border: 1px solid var(--color-teal-300);
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
    margin-top: var(--space-md);
    display: inline-block;
}

.btn-outline-map:hover {
    background-color: var(--color-teal-50);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-slate-100);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-slate-900);
}

.logo-icon {
    color: var(--color-teal-700);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-slate-600);
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-teal-600);
    transition: width var(--transition-normal);
}

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

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-xs);
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 1.5px;
    background-color: var(--color-slate-700);
    transition: all var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -4px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.close-menu-btn {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: var(--color-slate-700);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-nav-links a {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--color-slate-800);
}

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

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        var(--color-teal-900) 0%,
        var(--color-teal-800) 25%,
        var(--color-slate-800) 60%,
        var(--color-slate-900) 100%
    );
    z-index: 1;
}

.hero-gradient::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 80%, rgba(20, 184, 166, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(100, 116, 139, 0.2) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--space-xl) var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 100px;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(4px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-teal-400);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.accent-text {
    color: var(--color-teal-300);
    font-style: italic;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.6);
    max-width: 560px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- About --- */
.about {
    background-color: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.about-image-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--color-teal-200);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content {
    max-width: 480px;
}

.about-text {
    color: var(--color-slate-600);
    margin-bottom: var(--space-md);
    font-size: 1.0625rem;
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-slate-200);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.25rem;
    color: var(--color-teal-700);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-slate-500);
    margin-top: var(--space-xs);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--color-slate-200);
}

/* --- Rooms --- */
.rooms {
    background-color: var(--color-slate-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

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

.room-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-slate-100);
    transition: all var(--transition-normal);
}

.room-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--color-teal-100);
}

.room-image {
    position: relative;
    overflow: hidden;
}

.room-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.room-tag {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.375rem 0.75rem;
    background-color: var(--color-teal-700);
    color: var(--color-white);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
}

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

.room-name {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-slate-900);
    margin-bottom: var(--space-sm);
}

.room-desc {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.room-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.room-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-slate-600);
}

.room-features svg {
    color: var(--color-teal-600);
    flex-shrink: 0;
}

/* --- Amenities --- */
.amenities {
    background-color: var(--color-white);
}

.amenities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.amenity-card {
    padding: var(--space-xl);
    border: 1px solid var(--color-slate-100);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.amenity-card:hover {
    border-color: var(--color-teal-200);
    background-color: var(--color-teal-50);
}

.amenity-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-teal-50);
    color: var(--color-teal-700);
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.amenity-card:hover .amenity-icon {
    background-color: var(--color-teal-700);
    color: var(--color-white);
}

.amenity-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-slate-900);
    margin-bottom: var(--space-xs);
}

.amenity-desc {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    line-height: 1.7;
}

/* --- Location --- */
.location {
    background-color: var(--color-slate-50);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.location-text {
    font-size: 1.0625rem;
    color: var(--color-slate-600);
    margin-bottom: var(--space-xl);
}

.location-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.location-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1rem;
    color: var(--color-slate-700);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-teal-50);
    color: var(--color-teal-700);
    flex-shrink: 0;
}

.location-map {
    position: relative;
}

.map-placeholder {
    background-color: var(--color-slate-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.map-content {
    text-align: center;
    padding: var(--space-xl);
    color: var(--color-slate-700);
}

.map-content svg {
    color: var(--color-teal-700);
    margin-bottom: var(--space-md);
}

.map-content p {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-slate-800);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

/* --- Contact --- */
.contact {
    background-color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--color-slate-500);
    margin-bottom: var(--space-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-teal-50);
    color: var(--color-teal-700);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-slate-400);
    margin-bottom: 0.25rem;
}

.contact-value {
    display: block;
    font-size: 1rem;
    color: var(--color-slate-700);
}

.contact-value:hover {
    color: var(--color-teal-700);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--color-slate-50);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    border: 1px solid var(--color-slate-100);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-slate-600);
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-slate-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-slate-800);
    background-color: var(--color-white);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-teal-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.1);
}

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

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

/* Success Message */
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
    gap: var(--space-md);
}

.form-success.active {
    display: flex;
}

.success-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-teal-50);
    color: var(--color-teal-700);
}

.form-success h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--color-slate-900);
}

.form-success p {
    color: var(--color-slate-500);
    max-width: 320px;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-slate-900);
    color: var(--color-slate-400);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    max-width: 280px;
}

.footer-links h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-slate-300);
    margin-bottom: var(--space-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-links address {
    font-size: 0.9375rem;
    color: var(--color-slate-500);
    font-style: normal;
    line-height: 1.8;
}

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

.footer-bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-slate-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--color-slate-600);
}

.footer-legal {
    font-size: 0.75rem !important;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .about-grid,
    .location-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .about-image {
        height: 360px;
    }
    
    .about-image-accent {
        top: -12px;
        left: -12px;
    }
    
    .rooms-grid,
    .amenities-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-form-wrapper {
        padding: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .stat-divider {
        display: none;
    }
}