/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    /* Brand Colors - Green and Light Orange */
    --primary-green: #2D7A3E;
    --primary-orange: #FF9F66;
    --dark-green: #1E5A2E;
    --light-green: #E8F5E9;
    --light-orange: #FFF3E0;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #1A1A1A;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #6C757D;
    --gray-600: #495057;
    --gray-700: #343A40;
    --gray-800: #212529;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Poppins', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--gray-700);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-800);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--gray-600);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.center {
    text-align: center;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.15);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-md);
}

.logo-placeholder {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
}

.logo-subtitle {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--primary-orange);
    margin-top: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-700);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-orange);
    transition: var(--transition-normal);
}

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

.nav-link.active {
    color: var(--primary-green);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-green);
    transition: var(--transition-normal);
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(135deg, rgba(45, 122, 62, 0.7) 0%, rgba(255, 159, 102, 0.5) 100%); */
    /* background: linear-gradient(135deg, rgba(60, 61, 60, 0.7) 0%, rgba(184, 184, 184, 0.5) 100%); */
    background: linear-gradient(135deg, rgba(19, 27, 19, 0.7) 0%, rgba(43, 42, 42, 0.5) 100%);

    z-index: 1;
}

.hero-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: linear-gradient(135deg, #2D7A3E 0%, #FF9F66 100%); */
    background-image: url('./images/waterfall-middle-cliffs-with-trees-plants-sunny-day.jpg');
    background-size: cover;
    background-position: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 var(--spacing-md);
}

.hero-title {
    font-size: clamp(3rem, 7vw, 5rem);
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    z-index: 2;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-left: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(-45deg);
    margin: 10px auto;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(-10px) rotate(-45deg); }
    60% { transform: translateY(-5px) rotate(-45deg); }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(45, 122, 62, 0.3);
}

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

.btn-secondary:hover {
    background: #FF8C4D;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 159, 102, 0.3);
}

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

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

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

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

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.subtitle {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-orange);
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Welcome Section
   =================================== */
.welcome-section {
    background: var(--gray-100);
}

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

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
}

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

.icon-placeholder {
    font-size: 3rem;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-green);
}

/* ===================================
   Destinations Section
   =================================== */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.destination-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.destination-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.destination-image-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
    /* Replace with: background-image: url('path-to-destination-image.jpg'); */
    background-size: cover;
    background-position: center;
}

.destination-content {
    padding: var(--spacing-md);
}

.destination-content h3 {
    margin-bottom: var(--spacing-sm);
}

.link-arrow {
    color: var(--primary-green);
    font-weight: 600;
    display: inline-block;
    margin-top: var(--spacing-sm);
}

.link-arrow:hover {
    color: var(--primary-orange);
    transform: translateX(5px);
}

/* ===================================
   Why Choose Us Section
   =================================== */
.why-choose-section {
    background: var(--white);
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--light-green);
    border-radius: var(--radius-md);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: var(--font-heading);
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

.why-choose-image .image-placeholder {
    width: 100%;
    height: 500px;
    /* background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-green) 100%); */
    background-image: url('./images/vertical-shot-jikso-falls-byeonsan-bando-national-park.jpg');
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
}

/* ===================================
   Featured Tours Section
   =================================== */
.featured-tours-section {
    background: var(--gray-100);
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.tour-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition-normal);
}

.tour-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.tour-image-placeholder {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
    /* Replace with: background-image: url('path-to-tour-image.jpg'); */
    background-size: cover;
    background-position: center;
}

.tour-content {
    padding: var(--spacing-md);
}

.tour-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.duration,
.tour-type {
    font-size: 0.85rem;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    background: var(--light-orange);
    color: var(--primary-green);
    font-weight: 500;
}

.tour-content h3 {
    margin-bottom: var(--spacing-sm);
}

.tour-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-300);
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-green);
    font-family: var(--font-heading);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-section {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--gray-100);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.stars {
    color: var(--primary-orange);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-300);
}

.testimonial-author strong {
    display: block;
    color: var(--primary-green);
    margin-bottom: 0.3rem;
}

.testimonial-author span {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,100 Q300,200 600,100 T1200,100 L1200,0 L0,0 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--gray-800);
    color: var(--gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-col h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    color: var(--gray-300);
    transition: var(--transition-fast);
}

.footer-col a:hover {
    color: var(--primary-orange);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-700);
    color: #fff;
    border-radius: 50%;
    transition: var(--transition-normal);
    font-size: 1.1rem;
}

.social-icon:hover {
    background: var(--primary-green);
    color: #fff;
    transform: translateY(-3px);
}

.social-icon i {
    color: inherit;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

/* ===================================
   About Page Specific Styles
   =================================== */
.page-hero {
    height: 60vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 80px;
}

.page-hero-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
    /* Replace with: background-image: url('path-to-hero-image.jpg'); */
    background-size: cover;
    background-position: center;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.page-hero-content h1 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

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

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

.story-image .image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
    /* Replace with: background-image: url('path-to-image.jpg'); */
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
}

.mission-vision-section {
    background: var(--gray-100);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.mv-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.mv-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.about-why-choose {
    background: var(--white);
}

.features-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.feature-item-large {
    padding: var(--spacing-lg);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-green);
}

.feature-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-orange);
    font-family: var(--font-heading);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.team-section {
    background: var(--gray-100);
}

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

.team-member {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.team-image-placeholder {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-orange) 100%);
    /* Replace with: background-image: url('path-to-team-member.jpg'); */
    background-size: cover;
    background-position: center;
}

.team-role {
    display: block;
    color: var(--primary-orange);
    font-size: 0.9rem;
    margin: var(--spacing-xs) 0;
}

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

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

.commitment-list {
    margin-top: var(--spacing-md);
}

.commitment-list li {
    margin-bottom: var(--spacing-md);
    padding-left: 1.5rem;
    position: relative;
}

.commitment-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

.commitment-image .image-placeholder {
    width: 100%;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-green) 100%);
    /* Replace with: background-image: url('path-to-image.jpg'); */
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-lg);
}

.certifications-section {
    background: var(--gray-100);
}

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

.cert-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-md);
}

.cert-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

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

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

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

.stat-number-large {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-orange);
    font-family: var(--font-heading);
}

.stat-label-large {
    display: block;
    font-size: 1rem;
    margin-top: var(--spacing-sm);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .why-choose-content,
    .story-content,
    .commitment-content {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        transition: var(--transition-normal);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    .feature-grid,
    .destinations-grid,
    .tours-grid {
        grid-template-columns: 1fr;
    }
}