/* ========================================
   ELOWEN NATURE RETREAT & POOL VILLA
   Modern Nature Retreat Design System
======================================== */

/* ========================================
   CSS VARIABLES & ROOT
======================================== */

:root {
    /* Nature Color Palette */
    --color-primary: #2D5F3F;        /* Forest green */
    --color-primary-light: #7CAA85;  /* Light green */
    --color-primary-dark: #1A3A28;   /* Dark forest */
    --color-secondary: #4A9FBD;      /* Pool blue */
    --color-secondary-light: #8BC9DC;
    --color-accent: #8B6F47;         /* Natural wood */
    --color-accent-light: #B8996F;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-cream: #F7F6F2;
    --color-sand: #EAE7DF;
    --color-gray-light: #E5E5E5;
    --color-gray: #7A7A7A;
    --color-dark: #2C3E2C;
    --color-black: #1A1A1A;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Font Sizes */
    --fs-hero: clamp(2.5rem, 6vw, 5rem);
    --fs-h1: clamp(2.25rem, 5vw, 4rem);
    --fs-h2: clamp(2rem, 4vw, 3.25rem);
    --fs-h3: clamp(1.5rem, 3vw, 2.25rem);
    --fs-h4: clamp(1.25rem, 2.5vw, 1.75rem);
    --fs-body: clamp(1rem, 1.5vw, 1.125rem);
    --fs-small: clamp(0.875rem, 1.2vw, 1rem);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 8rem;
    --space-3xl: 10rem;

    /* Container */
    --container-max: 1200px;
    --container-padding: 2rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;

    /* Transitions */
    --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: all 0.3s ease;
    --transition-fast: all 0.2s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
}

/* ========================================
   RESET & BASE STYLES
======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden !important;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-dark);
    background-color: var(--color-cream);
    overflow-x: hidden !important;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
    position: relative;
    margin: 0;
    padding: 0;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

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

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

ul,
ol {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
    margin-bottom: 1.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-lg);
}

.section-title {
    font-size: var(--fs-h2);
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.section-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray);
}

/* ========================================
   CONTAINER & LAYOUT
======================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
    width: 100%;
    box-sizing: border-box;
}

/* ========================================
   BUTTONS
======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-heading);
    border-radius: var(--radius-md);
    transition: var(--transition-medium);
    cursor: pointer;
    text-align: center;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: #3A8FAD;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

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

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

/* ========================================
   NAVIGATION
======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: 1.5rem 0;
    transition: var(--transition-medium);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 1px;
}

.navbar.scrolled .logo-text {
    color: var(--color-primary) !important;
}

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

.nav-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    position: relative;
    transition: var(--transition-medium);
}

.navbar.scrolled .nav-link,
.navbar.scrolled .nav-links .nav-link,
#navbar.scrolled .nav-link {
    color: var(--color-dark) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-medium);
}

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

.nav-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-medium);
}

.nav-btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.navbar.scrolled .nav-btn {
    color: var(--color-white) !important;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: var(--transition-medium);
}

.navbar.scrolled .hamburger span {
    background: var(--color-dark) !important;
}

/* ========================================
   HERO SECTION
======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-dark);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(29, 63, 47, 0.5) 0%,
        rgba(29, 63, 47, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    padding: 0 2rem;
}

.hero-label {
    display: inline-block;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    color: var(--color-secondary-light);
}

.hero-title {
    font-size: var(--fs-hero);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   SECTIONS
======================================== */

section {
    padding: var(--space-2xl) 0;
}

.section-white {
    background: var(--color-white);
}

.section-cream {
    background: var(--color-cream);
}

.section-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.section-primary .section-title,
.section-primary h2,
.section-primary h3 {
    color: var(--color-white);
}

/* ========================================
   ABOUT SECTION
======================================== */

.about-section {
    background: var(--color-white);
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    height: 550px;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-content h2 {
    margin-bottom: 1.5rem;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray);
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

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

.about-feature i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

/* ========================================
   FEATURES GRID
======================================== */

.features-section {
    background: var(--color-cream);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-medium);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    border-radius: 50%;
    color: var(--color-white);
    font-size: 2rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.feature-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray);
}

/* ========================================
   ROOMS SECTION
======================================== */

.rooms-section {
    background: var(--color-white);
}

.rooms-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.room-card {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-medium);
}

.room-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.room-image {
    height: 300px;
    overflow: hidden;
}

.room-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

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

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

.room-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.room-description {
    color: var(--color-gray);
    margin-bottom: 1.5rem;
}

.room-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.room-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-dark);
}

.room-feature i {
    color: var(--color-primary);
}

/* ========================================
   AMENITIES SECTION
======================================== */

.amenities-section {
    background: var(--color-primary);
    color: var(--color-white);
}

.amenities-section .section-label {
    color: var(--color-secondary-light);
}

.amenities-section .section-title {
    color: var(--color-white);
}

.amenities-section .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.amenities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.amenity-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-medium);
}

.amenity-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(5px);
}

.amenity-item i {
    font-size: 1.75rem;
    color: var(--color-secondary-light);
}

.amenity-text {
    font-size: 1.05rem;
    font-weight: 500;
}

/* ========================================
   GALLERY
======================================== */

.gallery-section {
    background: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    height: 350px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 95, 63, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-medium);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-overlay i {
    font-size: 3rem;
    color: var(--color-white);
}

/* ========================================
   CTA SECTION
======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    color: var(--color-secondary-light);
}

.cta-title {
    font-size: var(--fs-h2);
    margin-bottom: 1.5rem;
    color: var(--color-white);
}

.cta-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.footer-text {
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    opacity: 0.9;
    transition: var(--transition-medium);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact li {
    display: flex;
    align-items: start;
    gap: 1rem;
}

.footer-contact i {
    margin-top: 3px;
    color: var(--color-secondary-light);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition-medium);
}

.social-links a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

/* ========================================
   BACK TO TOP BUTTON
======================================== */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    opacity: 1;
    pointer-events: all;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-5px);
}

/* ========================================
   RESPONSIVE - TABLET
======================================== */

@media (max-width: 992px) {
    :root {
        --container-padding: 1.5rem;
        --space-3xl: 6rem;
        --space-2xl: 5rem;
        --space-xl: 4rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .about-image {
        height: 400px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .rooms-grid {
        grid-template-columns: 1fr;
    }

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

/* ========================================
   RESPONSIVE - MOBILE
======================================== */

@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
        --space-3xl: 4rem;
        --space-2xl: 3rem;
        --space-xl: 2.5rem;
        --space-lg: 2rem;
    }

    /* Force everything to stay within viewport */
    html, body {
        overflow-x: hidden !important;
        max-width: 100% !important;
        width: 100% !important;
        position: relative !important;
    }

    * {
        max-width: 100% !important;
    }

    .navbar,
    .hero,
    section,
    footer,
    .container,
    .nav-container {
        max-width: 100% !important;
        overflow-x: hidden !important;
        box-sizing: border-box !important;
    }

    div, section, main, article, header, footer {
        box-sizing: border-box !important;
        max-width: 100% !important;
    }

    [class*="grid"],
    [class*="row"] {
        max-width: 100% !important;
        overflow-x: hidden !important;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-medium);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link,
    .navbar.scrolled .nav-link {
        color: var(--color-dark);
        font-size: 1.125rem;
    }

    .hero {
        min-height: 600px;
        height: auto;
        padding: 120px 0 60px;
    }

    .hero-content {
        padding: 0 1.5rem;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .amenities-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item {
        height: 300px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

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

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        width: 100%;
    }

    .btn {
        max-width: 100%;
    }

    .room-image {
        height: 250px;
    }
}

/* ========================================
   UTILITY CLASSES
======================================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }

.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }