/* ========================================
   GOTOPEO Corporate Website Styles
   Modern, Professional, Responsive Design
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --dark-gray: #374151;
    --medium-gray: #6b7280;
    --light-gray: #f3f4f6;
    --white: #ffffff;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    
    /* Typography */
    --font-family: 'Noto Sans JP', sans-serif;
    --h1-size: 3.5rem;
    --h2-size: 2.5rem;
    --h3-size: 1.75rem;
    --body-size: 1rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

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

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

ul {
    list-style: none;
}

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo i {
    font-size: 1.75rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 0.375rem;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-blue);
    background-color: var(--light-gray);
}

.btn-primary-nav {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary-nav:hover {
    background-color: #1e3a8a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.8) 0%, rgba(59, 130, 246, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--h1-size);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 1s ease-out;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-title .title-line {
    display: block;
    margin-bottom: 0.5rem;
}

.hero-title .title-line.accent {
    color: var(--accent);
    position: relative;
}

.hero-title .highlight {
    color: var(--accent);
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.3s both;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--light-gray);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    text-align: center;
    color: var(--white);
    animation: fadeIn 2s ease-out 1s both;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--white);
    border-radius: 13px;
    margin: 0 auto 0.5rem;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background-color: var(--white);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { top: 8px; opacity: 1; }
    100% { top: 24px; opacity: 0; }
}

.scroll-indicator p {
    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 500;
}

/* ========================================
   Section Styles
   ======================================== */
.services-section,
.features-section {
    padding: var(--spacing-xl) 0;
}

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

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

.section-label {
    display: inline-block;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.section-title {
    font-size: var(--h2-size);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.section-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ========================================
   Services Grid
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.service-title {
    font-size: var(--h3-size);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.service-description {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service-features {
    margin-bottom: var(--spacing-md);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xs);
}

.service-features i {
    color: var(--success);
    font-size: 1.125rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-blue);
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    gap: var(--spacing-sm);
}

/* ========================================
   Features Grid
   ======================================== */
.features-grid {
    display: grid;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-md);
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.feature-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--dark-gray);
}

.feature-description {
    color: var(--medium-gray);
    line-height: 1.8;
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
}

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

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(to right, var(--white), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.95;
    font-weight: 500;
}

/* ========================================
   Information Section
   ======================================== */
.information-section {
    background-color: var(--bg-light);
}

.information-list {
    max-width: 900px;
    margin: 3rem auto 0;
}

.information-item {
    display: flex;
    gap: 2rem;
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.information-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.information-date {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 180px;
    color: var(--primary-blue);
    font-weight: 600;
}

.information-date i {
    font-size: 1.25rem;
}

.information-content {
    flex: 1;
}

.information-content p {
    margin: 0;
    line-height: 1.8;
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .information-item {
        flex-direction: column;
        gap: 1rem;
    }
    
    .information-date {
        min-width: auto;
    }
}

/* ========================================
   Access Section
   ======================================== */
.access-section {
    padding: var(--spacing-xl) 0;
}

.access-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 3rem;
    margin-top: var(--spacing-lg);
}

.access-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.access-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.access-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 0.75rem;
}

.access-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.access-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

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

.access-map {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (max-width: 1024px) {
    .access-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .access-info {
        gap: 1.5rem;
    }
    
    .access-item {
        flex-direction: column;
        text-align: center;
    }
    
    .access-map iframe {
        height: 350px;
    }
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-gray);
}

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

.cta-title {
    font-size: var(--h2-size);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

.btn-primary-large,
.btn-secondary-large {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1.25rem 2.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    cursor: pointer;
}

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

.btn-primary-large:hover {
    background-color: #1e3a8a;
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary-large:hover {
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

.cta-note {
    color: var(--medium-gray);
    font-size: 0.875rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo i {
    font-size: 1.75rem;
    color: var(--secondary-blue);
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--secondary-blue);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--secondary-blue);
    padding-left: var(--spacing-xs);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--secondary-blue);
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

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

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    color: var(--secondary-blue);
}

/* ========================================
   Scroll to Top Button
   ======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: #1e3a8a;
    transform: translateY(-3px);
}

/* ========================================
   Page Header (Services, About, Contact, Blog)
   ======================================== */
.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.05) 35px, rgba(255,255,255,.05) 70px);
    pointer-events: none;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ========================================
   Service Detail Pages
   ======================================== */
.service-detail {
    padding: 100px 0;
}

.service-detail.bg-light {
    background-color: var(--light-gray);
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.service-detail-content.reverse {
    direction: rtl;
}

.service-detail-content.reverse > * {
    direction: ltr;
}

.service-detail-text {
    padding: 2rem 0;
}

.service-badge {
    display: inline-block;
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.service-detail-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.service-detail-text .lead {
    font-size: 1.25rem;
    color: var(--medium-gray);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.service-detail-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-top: 2.5rem;
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 4px solid var(--primary-blue);
}

.check-list {
    list-style: none;
    padding: 0;
    margin-bottom: 2.5rem;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1.125rem;
    color: var(--dark-gray);
}

.check-list li i {
    color: var(--success);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem 1rem;
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid var(--light-gray);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-blue);
}

.benefit-item i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.benefit-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.feature-list {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.feature-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary-blue);
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(30, 64, 175, 0.1);
    border-radius: 0.5rem;
}

.feature-item h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 1rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

.service-detail-image {
    position: relative;
    height: 500px;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.image-placeholder i {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.image-placeholder p {
    font-size: 1.25rem;
    font-weight: 600;
    opacity: 0.9;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --h1-size: 2.5rem;
        --h2-size: 2rem;
        --h3-size: 1.5rem;
    }
    
    .service-detail-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .service-detail-content.reverse {
        direction: ltr;
    }
    
    .service-detail-image {
        height: 400px;
    }
    
    .benefit-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-about {
        grid-column: 1 / -1;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --h1-size: 2rem;
        --h2-size: 1.75rem;
        --h3-size: 1.25rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--white);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100vh);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link,
    .btn-primary-nav {
        display: block;
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .service-detail {
        padding: 60px 0;
    }
    
    .service-detail-text h2 {
        font-size: 2rem;
    }
    
    .service-detail-text .lead {
        font-size: 1.125rem;
    }
    
    .service-detail-text h3 {
        font-size: 1.25rem;
    }
    
    .service-detail-image {
        height: 350px;
    }
    
    .hero-section {
        min-height: 600px;
        padding-top: 100px;
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.4;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-about {
        grid-column: 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* ========================================
   Services Page - Enhanced Layout
   ======================================== */

/* Services Navigation */
.services-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.service-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.service-nav-item:hover {
    border-color: var(--primary-blue);
    background-color: var(--primary-blue);
    color: var(--white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-nav-item i {
    font-size: 2rem;
    color: var(--primary-blue);
    transition: var(--transition);
}

.service-nav-item:hover i {
    color: var(--white);
}

.service-nav-item span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Service Detail Card */
.service-detail-section {
    padding: var(--spacing-xl) 0;
}

.service-detail-card {
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.service-detail-header {
    display: flex;
    gap: 2rem;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    align-items: flex-start;
}

.service-icon-large {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
}

.service-icon-large i {
    font-size: 3rem;
    color: var(--white);
}

.service-detail-title-area {
    flex: 1;
}

.service-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background-color: var(--primary-blue);
    color: var(--white);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.service-detail-lead {
    font-size: 1.125rem;
    color: var(--medium-gray);
    line-height: 1.8;
}

.service-detail-body {
    padding: var(--spacing-lg);
}

.service-section {
    margin-bottom: var(--spacing-lg);
}

.service-section-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-md);
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-blue);
}

.service-section-title i {
    color: var(--primary-blue);
    font-size: 1.5rem;
}

/* Service Items Grid */
.service-items-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-item-card {
    padding: 1.5rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    transition: var(--transition);
    text-align: center;
}

.service-item-card:hover {
    border-color: var(--primary-blue);
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.service-item-card i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    display: block;
}

.service-item-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.service-item-card p {
    font-size: 0.95rem;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Benefit Cards */
.benefit-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.benefit-card {
    padding: 2rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-blue);
    transition: var(--transition);
}

.benefit-card:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateX(5px);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-radius: 0.75rem;
    margin-bottom: 1.25rem;
}

.benefit-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.benefit-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.benefit-card p {
    font-size: 1rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* Feature Cards Horizontal */
.feature-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-card-horizontal {
    display: flex;
    gap: 1.5rem;
    padding: 1.75rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    align-items: flex-start;
    transition: var(--transition);
}

.feature-card-horizontal:hover {
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(10px);
}

.feature-card-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 0.75rem;
}

.feature-card-icon i {
    font-size: 2rem;
    color: var(--white);
}

.feature-card-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.feature-card-content p {
    font-size: 1rem;
    color: var(--medium-gray);
    line-height: 1.7;
}

/* Work Type Grid */
.work-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.work-type-card {
    padding: 1.75rem 1.25rem;
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.work-type-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.work-type-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.work-type-icon i {
    font-size: 2rem;
    color: var(--white);
}

.work-type-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.work-type-card ul {
    text-align: left;
    margin-left: 1rem;
}

.work-type-card li {
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-bottom: 0.5rem;
    list-style: disc;
}

/* Seminar Format Grid */
.seminar-format-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.seminar-format-card {
    padding: 2rem;
    background-color: var(--white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.seminar-format-card:hover {
    border-color: #8b5cf6;
    box-shadow: var(--shadow-xl);
    transform: translateY(-10px);
}

.seminar-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.seminar-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.seminar-format-card h4 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
}

.seminar-format-card > p {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
    min-height: 3rem;
}

.seminar-features {
    text-align: left;
    margin-top: 1.5rem;
}

.seminar-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--medium-gray);
    margin-bottom: 0.75rem;
}

.seminar-features i {
    color: #8b5cf6;
    font-size: 1rem;
}

/* Service Highlight */
.service-highlight {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 5px solid var(--accent);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-md);
}

.highlight-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    border-radius: 50%;
}

.highlight-icon i {
    font-size: 1.75rem;
    color: var(--white);
}

.highlight-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 1rem;
}

.achievement-list {
    list-style: none;
}

.achievement-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--dark-gray);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.achievement-list i {
    color: var(--accent);
    font-size: 1.125rem;
    margin-top: 0.25rem;
    flex-shrink: 0;
}

/* Service CTA */
.service-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--light-gray);
}

/* Responsive - Services Page */
@media (max-width: 1024px) {
    .services-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .service-items-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .work-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-nav {
        grid-template-columns: 1fr;
    }
    
    .service-detail-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .service-icon-large {
        width: 80px;
        height: 80px;
    }
    
    .service-icon-large i {
        font-size: 2.5rem;
    }
    
    .service-detail-title {
        font-size: 1.75rem;
    }
    
    .service-items-grid {
        grid-template-columns: 1fr;
    }
    
    .benefit-cards {
        grid-template-columns: 1fr;
    }
    
    .feature-card-horizontal {
        flex-direction: column;
        text-align: center;
    }
    
    .work-type-grid {
        grid-template-columns: 1fr;
    }
    
    .seminar-format-grid {
        grid-template-columns: 1fr;
    }
    
    .service-highlight {
        flex-direction: column;
        text-align: center;
    }
}

/* Utility Classes */
.sp-only {
    display: none;
}

.pc-only {
    display: inline;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
    
    .pc-only {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .page-header {
        padding: 100px 0 50px;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .service-detail {
        padding: 40px 0;
    }
    
    .service-detail-text h2 {
        font-size: 1.75rem;
    }
    
    .service-detail-text .lead {
        font-size: 1rem;
    }
    
    .service-detail-image {
        height: 300px;
    }
    
    .image-placeholder i {
        font-size: 3.5rem;
    }
    
    .image-placeholder p {
        font-size: 1rem;
    }
    
    .check-list li {
        font-size: 1rem;
    }
    
    .hero-section {
        min-height: 550px;
        padding-top: 120px;
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.5;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .sp-only {
        display: inline;
    }
}