/* =============================================
   BASE CAMP KYUSHU - Main Stylesheet
   Where mountains meet the sea and stories take form
   ============================================= */

/* =============================================
   ROOT VARIABLES & RESET
   ============================================= */
:root {
    /* Color Palette - Kyushu inspired */
    --primary-dark: #1a2332;
    --primary-blue: #2c4a6e;
    --ocean-blue: #4a7ba7;
    --mountain-green: #5a7a65;
    --moss-green: #5a7a65;
    --sunset-orange: #d67942;
    --warm-beige: #e8dcc8;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --text-dark: #2d2d2d;
    --text-light: #666666;
    
    /* Typography */
    --font-primary: 'Helvetica Neue', Arial, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    --font-heading: 'Georgia', 'Times New Roman', '游明朝', 'Yu Mincho', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --max-width: 1400px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

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

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 3rem);
    letter-spacing: 0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.japanese-text {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', sans-serif;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* =============================================
   NAVIGATION
   ============================================= */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition-medium);
}

.main-header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--primary-dark);
}

.logo span {
    display: block;
    font-size: 0.7rem;
    margin-top: -0.25rem;
    opacity: 0.7;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-dark);
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--sunset-orange);
    transition: var(--transition-medium);
}

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

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(26, 35, 50, 0.3) 0%,
        rgba(26, 35, 50, 0.5) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
    opacity: 0.95;
}

.hero-tagline {
    font-size: clamp(1.1rem, 2.5vw, 1.75rem);
    line-height: 1.6;
    margin: var(--spacing-lg) 0;
    font-weight: 300;
}

.hero-description {
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--sunset-orange);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(214, 121, 66, 0.3);
}

.btn-primary:hover {
    background: #c46835;
    box-shadow: 0 6px 20px rgba(214, 121, 66, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

/* =============================================
   SECTIONS
   ============================================= */
section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

.section-divider {
    width: 80px;
    height: 2px;
    background: var(--sunset-orange);
    margin: var(--spacing-md) auto;
}

/* =============================================
   THREE PILLARS SECTION
   ============================================= */
.three-pillars {
    background: var(--light-gray);
}

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

.pillar-card {
    background: var(--white);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-medium);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.pillar-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.pillar-icon img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

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

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

.pillar-card p {
    margin-bottom: var(--spacing-md);
}

/* =============================================
   FEATURED PROJECT
   ============================================= */
.featured-project {
    background: var(--primary-dark);
    color: var(--white);
}

.featured-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.featured-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.featured-image a:hover img {
    transform: scale(1.03);
}

.featured-text h2 {
    color: var(--white);
}

.featured-text p {
    color: rgba(255, 255, 255, 0.85);
}

.featured-meta {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

/* =============================================
   VIDEO GRID
   ============================================= */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.video-item {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.video-item iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* =============================================
   LOCATION CARDS
   ============================================= */
.location-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.location-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition-medium);
}

.location-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.location-image {
    height: 250px;
    overflow: hidden;
}

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

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

.location-info {
    padding: var(--spacing-md);
}

.location-info h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

/* =============================================
   PROCESS SECTION
   ============================================= */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.process-step {
    text-align: center;
    padding: var(--spacing-md);
}

.process-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--sunset-orange);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto var(--spacing-sm);
}

.process-step h4 {
    margin-bottom: var(--spacing-xs);
}

/* =============================================
   FOOTER
   ============================================= */
.main-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: var(--sunset-orange);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .main-nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        padding: var(--spacing-md);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero {
        margin-top: calc(var(--header-height) - 20px);
    }
    
    .featured-content {
        grid-template-columns: 1fr;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .product-views-grid {
        grid-template-columns: 1fr !important;
        gap: 3rem !important;
    }
    
    /* Stack WHISPERS OF ASHES grid sections on mobile */
    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
}

/* =============================================
   IMAGE PLACEHOLDERS & FALLBACKS
   ============================================= */
img[src*="placeholder"],
img[src^="images/"]:not([src*="http"]) {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--warm-beige) 100%);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

img[src*="placeholder"]::after,
img[src^="images/"]:not([src*="http"])::after {
    content: '📸 Image Coming Soon';
    color: var(--text-light);
    font-size: 1rem;
}

/* Ensure images load properly */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Loading state for images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.text-center {
    text-align: center;
}

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

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

.fade-in {
    animation: fadeIn var(--transition-slow);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   TEXT WRAPPING & ORPHAN PREVENTION
   ============================================= */
   
/* Prevent single-word orphans on last line */
p, h1, h2, h3, h4 {
    text-wrap: pretty;
    overflow-wrap: break-word;
    hyphens: manual;
}

/* Better line breaks for titles */
.section-title,
.section-subtitle {
    text-wrap: balance;
    max-width: 100%;
}

/* Responsive font sizing */
@media (max-width: 480px) {
    body {
        font-size: 15px;
    }
    
    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.75rem !important; }
    h3 { font-size: 1.5rem !important; }
    
    .section-subtitle {
        font-size: 1rem !important;
    }
    
    /* Ensure buttons don't wrap awkwardly */
    .btn {
        white-space: nowrap;
        padding: 0.75rem 1.5rem !important;
        font-size: 0.9rem !important;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-cta .btn {
        width: 100%;
        text-align: center;
    }
}