/* ===============================================
   Re-Kaz Corporate Website - Modern & Professional Design
   =============================================== */

/* === CSS Variables === */
:root {
    /* Primary Colors */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    
    /* Accent Colors */
    --accent-color: #06b6d4;
    --accent-dark: #0891b2;
    
    /* Neutral Colors */
    --dark: #0f172a;
    --dark-gray: #1e293b;
    --gray: #64748b;
    --light-gray: #cbd5e1;
    --bg-gray: #f8fafc;
    --white: #ffffff;
    
    /* Success/Warning Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 1.5rem;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    /* Shadows */
    --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);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

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

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

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

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

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

ul, ol {
    list-style: none;
}

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

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

.section {
    padding: var(--section-padding);
}

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

/* === Header & Navigation === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    flex-direction: column;
    font-weight: 700;
}

.logo-text {
    font-size: 1.75rem;
    color: var(--primary-color);
    font-family: var(--font-secondary);
    letter-spacing: -0.02em;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: -0.25rem;
}

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

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

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--dark);
    transition: var(--transition);
}

/* === Hero Section === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-title-main {
    background: linear-gradient(135deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-sub {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.hero-badge {
    margin-top: 3rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-badge i {
    color: var(--warning);
    font-size: 1.25rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--light-gray);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

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

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--light-gray), transparent);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* === Section Headers === */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* === Features Section === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

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

/* === Services Section === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.service-card {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 3rem;
    font-weight: 900;
    color: var(--bg-gray);
    font-family: var(--font-secondary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--dark-gray);
}

.service-features i {
    color: var(--success);
    font-size: 1.1rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    gap: 1rem;
    color: var(--accent-color);
}

.badge-new {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #ef4444, #f59e0b);
    color: var(--white);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* === Stats Section === */
.stats {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-gray) 100%);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--accent-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-secondary);
}

.stat-label {
    color: var(--light-gray);
    font-size: 1rem;
}

/* === Key Message Section === */
.key-message {
    text-align: center;
    padding: 4rem 0;
}

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

.key-message-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* === CTA Section === */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

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

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

/* === Footer === */
.footer {
    background-color: var(--dark);
    color: var(--light-gray);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-logo .logo-subtitle {
    font-size: 0.7rem;
}

.footer-description {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--gray);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.footer-badge i {
    color: var(--warning);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 0.5rem;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--gray);
}

.footer-contact i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 0.9rem;
}

/* === Back to Top Button === */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* === Page Hero === */
.page-hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-gray) 100%);
    color: var(--white);
    text-align: center;
    margin-top: 80px;
}

.page-hero-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

.page-hero-description {
    font-size: 1.125rem;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--light-gray);
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--accent-color);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* === Service Detail Pages === */
.service-detail {
    overflow: hidden;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: start;
}

.service-detail-grid.reverse {
    grid-template-columns: 1fr 1.5fr;
}

.service-detail-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.service-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.service-detail-title {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 1rem;
}

.service-detail-lead {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.service-detail-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.service-features-detailed {
    margin-bottom: 2.5rem;
}

.service-features-detailed h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.feature-item {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem;
    background-color: var(--bg-gray);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.feature-item-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--white);
    flex-shrink: 0;
}

.feature-item-content h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-item-content p {
    color: var(--gray);
    line-height: 1.6;
}

.service-benefits h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 1.05rem;
    color: var(--dark-gray);
}

.benefits-list i {
    color: var(--success);
    font-size: 1.25rem;
}

.service-detail-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.service-visual-card {
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.visual-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin: 0 auto 1rem;
}

.service-visual-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.service-visual-card p {
    color: var(--gray);
}

/* === Service Flow === */
.flow-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    position: relative;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    z-index: 0;
}

.flow-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.flow-step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    box-shadow: var(--shadow-lg);
}

.flow-step-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

.flow-step-content p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* === About Page === */
.ceo-message-content {
    max-width: 900px;
    margin: 0 auto;
}

.ceo-message-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.ceo-image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.3);
}

.ceo-info {
    margin-top: 1.5rem;
    text-align: center;
}

.ceo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.ceo-title {
    font-size: 0.95rem;
    color: var(--gray);
}

.message-text p {
    margin-bottom: 1.5rem;
    line-height: 1.9;
    color: var(--dark-gray);
}

.message-text strong {
    color: var(--primary-color);
    font-weight: 700;
}

.ceo-signature {
    margin-top: 3rem;
    text-align: right;
    font-weight: 600;
}

.signature-name {
    font-size: 1.125rem;
    color: var(--dark);
    margin-top: 0.5rem;
}

.info-table {
    width: 100%;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.info-table tr {
    border-bottom: 1px solid var(--light-gray);
}

.info-table tr:last-child {
    border-bottom: none;
}

.info-table th,
.info-table td {
    padding: 1.5rem;
    text-align: left;
}

.info-table th {
    background-color: var(--bg-gray);
    font-weight: 700;
    color: var(--dark);
    width: 200px;
}

.info-table td {
    color: var(--dark-gray);
}

.business-list {
    list-style: none;
    padding-left: 0;
}

.business-list li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

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

.certification-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 3rem;
    display: flex;
    gap: 2.5rem;
}

.certification-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--warning), #f59e0b);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    flex-shrink: 0;
}

.certification-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.certification-year {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.certification-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.certification-benefits h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.certification-benefits ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    color: var(--dark-gray);
}

.certification-benefits i {
    color: var(--success);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.vision-card {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.vision-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.vision-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

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

/* === Case Studies === */
.case-study-card {
    overflow: hidden;
}

.case-study-content {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 3rem;
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.case-study-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: var(--radius-xl);
    font-size: 0.9rem;
    font-weight: 600;
}

.case-study-industry {
    padding: 0.5rem 1.25rem;
    background-color: var(--bg-gray);
    color: var(--dark);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.case-study-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 1rem;
}

.case-study-subtitle {
    font-size: 1.125rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2.5rem;
}

.challenge-section,
.solution-section,
.results-section {
    margin-bottom: 2.5rem;
}

.challenge-section h4,
.solution-section h4,
.results-section h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--dark);
}

.challenge-section i {
    color: var(--error);
}

.solution-section i {
    color: var(--primary-color);
}

.results-section i {
    color: var(--success);
}

.challenge-section ul,
.solution-section ul {
    list-style: none;
    padding-left: 0;
}

.challenge-section li,
.solution-section li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--dark-gray);
}

.challenge-section li::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--error);
    font-size: 1.5rem;
}

.solution-section li::before {
    content: '✓';
    position: absolute;
    left: 0.5rem;
    color: var(--success);
    font-weight: bold;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.result-item {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--bg-gray);
    border-radius: var(--radius-lg);
}

.result-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--success);
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.result-label {
    font-size: 0.95rem;
    color: var(--dark);
    font-weight: 600;
}

.testimonial-section {
    padding: 2rem;
    background-color: var(--bg-gray);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary-color);
    margin-top: 2.5rem;
}

.testimonial-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--dark-gray);
    line-height: 1.9;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    text-align: right;
    font-weight: 600;
}

.author-company {
    display: block;
    color: var(--dark);
    margin-bottom: 0.25rem;
}

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

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

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

.statistic-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
}

.statistic-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.statistic-label {
    color: var(--gray);
    font-size: 1rem;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.industry-item {
    padding: 2rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.industry-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

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

.industry-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
}

/* === Contact Page === */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.contact-card {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.contact-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
}

.contact-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.contact-card-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.contact-card-note {
    padding: 1rem;
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.contact-card-action {
    margin-top: 1.5rem;
}

.scroll-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.scroll-link:hover {
    color: var(--accent-color);
}

.contact-form-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-form-info {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    height: fit-content;
}

.form-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item i {
    color: var(--success);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.info-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.info-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

.form-info-note {
    display: flex;
    gap: 0.75rem;
    padding: 1.25rem;
    background-color: var(--bg-gray);
    border-radius: var(--radius-md);
    margin-top: 2rem;
}

.form-info-note i {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.form-info-note p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-form-container {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.required {
    color: var(--error);
    font-size: 0.85rem;
    margin-left: 0.25rem;
}

.optional {
    color: var(--gray);
    font-size: 0.85rem;
    margin-left: 0.25rem;
    font-weight: 400;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-check-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-check-label {
    font-size: 0.95rem;
    color: var(--dark-gray);
    cursor: pointer;
}

.form-submit {
    margin-top: 2rem;
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.faq-question h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
}

.faq-answer p {
    color: var(--gray);
    line-height: 1.8;
    padding-left: 2.5rem;
}

/* === Animation (AOS) Styles === */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
}

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

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

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

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

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

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

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

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

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

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

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

/* === Responsive Design === */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }
    
    .hero-title-sub {
        font-size: 2rem;
    }
    
    .service-detail-grid,
    .service-detail-grid.reverse {
        grid-template-columns: 1fr;
    }
    
    .ceo-message-grid {
        grid-template-columns: 1fr;
    }
    
    .key-message-title {
        font-size: 2rem;
    }
    
    .contact-form-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background-color: var(--white);
        box-shadow: var(--shadow-xl);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transition: right 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-title-sub {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-hero-title {
        font-size: 2.25rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .flow-steps {
        flex-direction: column;
    }
    
    .flow-steps::before {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .certification-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-title-sub {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
    
    .key-message-title {
        font-size: 1.75rem;
    }
    
    .badge-new {
        display: block;
        margin-left: 0;
        margin-top: 0.5rem;
        width: fit-content;
    }
}