/* 
 * TRANSPO - 軽冷蔵・冷凍配送専門サイト
 * Professional Transportation Company CSS
 */

/* Font Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@100..900&family=Noto+Sans+JP:wght@100..900&display=swap');

/* CSS Variables - Color Palette */
:root {
    --color-primary: #1E3A5F; /* Professional Dark Blue - Trust & Reliability */
    --color-secondary: #0B7EC8; /* Vibrant Blue - Innovation & Freshness */
    --color-accent: #FF6B35; /* Energetic Orange - Action & Speed */
    --color-cold: #4A90E2; /* Cold Blue - Refrigeration */
    --color-warm: #FFA726; /* Warm Orange - Service Excellence */
    --color-success: #28A745; /* Green - Reliability */
    --color-dark: #0D1B2A; /* Deep Navy - Professionalism */
    --color-light: #F8FAFC; /* Very Light Blue-Gray - Clean Background */
    --color-gray: #64748B; /* Professional Gray */
}

/* Base Styles */
body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    scroll-behavior: smooth;
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
}

/* Color Utility Classes */
.text-primary { color: var(--color-primary); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.bg-cold { background-color: var(--color-cold); }
.bg-warm { background-color: var(--color-warm); }
.bg-success { background-color: var(--color-success); }
.bg-dark { background-color: var(--color-dark); }
.bg-light { background-color: var(--color-light); }

/* Professional Logo Container */
.logo-container {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 12px;
    padding: 8px 16px;
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
    position: relative;
    overflow: hidden;
}

.logo-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: logoShine 4s infinite;
}

@keyframes logoShine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    50% { transform: translateX(100%) translateY(100%) rotate(45deg); }
    100% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
}

/* Truck Animation */
.truck-moving {
    animation: truckDrive 3s ease-in-out infinite;
}

@keyframes truckDrive {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

/* Professional Card Hover Effects */
.service-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(11, 126, 200, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.15);
    border-color: var(--color-secondary);
}

/* Temperature Badge Styling */
.temp-badge {
    background: linear-gradient(135deg, var(--color-cold), var(--color-secondary));
    border-radius: 50px;
    padding: 8px 20px;
    color: white;
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    position: relative;
}

.temp-badge::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--color-cold), var(--color-secondary));
    border-radius: 50px;
    z-index: -1;
    opacity: 0.3;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.1; }
}

/* Professional Button Styling */
.btn-professional {
    background: linear-gradient(135deg, var(--color-accent) 0%, #FF8A50 100%);
    border: none;
    border-radius: 50px;
    padding: 14px 32px;
    font-weight: 600;
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-professional::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-professional:hover::before {
    left: 100%;
}

.btn-professional:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border: 2px solid transparent;
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

/* Hero Section Enhancements */
.hero-bg {
    background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 50%, #CBD5E1 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(30, 58, 95, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(11, 126, 200, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.04) 0%, transparent 50%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(20px, -20px) rotate(1deg); }
    66% { transform: translate(-20px, 10px) rotate(-1deg); }
}

/* Truck Pattern Background */
.truck-pattern {
    background-image: 
        linear-gradient(45deg, transparent 48%, rgba(30, 58, 95, 0.03) 49%, rgba(30, 58, 95, 0.03) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(11, 126, 200, 0.02) 49%, rgba(11, 126, 200, 0.02) 51%, transparent 52%);
    background-size: 30px 30px;
    background-position: 0 0, 15px 15px;
}

/* Professional Number Styling */
.feature-number {
    background: linear-gradient(135deg, var(--color-accent), #FF8A50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
}

/* FAQ Enhancement */
.faq-item {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(30, 58, 95, 0.1);
    border-left-color: var(--color-secondary);
}

/* Professional Icon Styling */
.icon-professional {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-cold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Image Enhancement Styles */
.section-image {
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    overflow: hidden;
}

.section-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.section-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

/* Service Image Grid */
.service-image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.service-image-item {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    height: 200px;
}

.service-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-light); }
::-webkit-scrollbar-thumb { 
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary)); 
    border-radius: 4px; 
}
::-webkit-scrollbar-thumb:hover { 
    background: linear-gradient(180deg, var(--color-secondary), var(--color-primary)); 
}

/* Professional Loading Animation */
.loading-truck {
    animation: loadingMove 2s ease-in-out infinite;
}

@keyframes loadingMove {
    0%, 100% { transform: translateX(-10px); }
    50% { transform: translateX(10px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .feature-number { font-size: 2rem; }
    .service-card { margin-bottom: 1rem; }
    .service-image-grid { grid-template-columns: 1fr; }
    .service-image-item { height: 150px; }
}