/* ============================================
   Kumori Cloud - Main Stylesheet
   Modern, sleek, no CDN dependencies
   ============================================ */

/* CSS Variables */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --dark-lighter: #334155;
    --light: #f8fafc;
    --light-dark: #e2e8f0;
    --text: #334155;
    --text-light: #64748b;
    --text-dark: #0f172a;
    --white: #ffffff;
    --success: #10b981;
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

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

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    background: var(--light);
    border: 1px solid var(--light-dark);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-toggle:hover {
    background: var(--light-dark);
}

.lang-current {
    color: var(--primary);
}

.lang-separator {
    color: var(--text-light);
}

.lang-alt {
    color: var(--text-light);
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    position: relative;
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cloud {
    position: absolute;
    background: rgba(99, 102, 241, 0.08);
    border-radius: 50%;
    filter: blur(60px);
}

.cloud-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    animation: float 20s ease-in-out infinite;
}

.cloud-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    background: rgba(6, 182, 212, 0.08);
    animation: float 15s ease-in-out infinite reverse;
}

.cloud-3 {
    width: 300px;
    height: 300px;
    top: 50%;
    left: 50%;
    background: rgba(245, 158, 11, 0.05);
    animation: float 18s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 1.5rem;
    animation: fadeInUp 1s ease;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-title span {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 0.5rem;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
    50% { transform: translateX(-50%) translateY(8px); opacity: 0.3; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

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

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

.btn-full {
    width: 100%;
}

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

.section-header.left {
    text-align: left;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.left .section-description {
    margin: 0;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: 6rem 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--light-dark);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    padding: 6rem 0;
    background: var(--white);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toggle-label.active {
    color: var(--text-dark);
}

.toggle-switch {
    width: 52px;
    height: 28px;
    background: var(--light-dark);
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    border: none;
    transition: background var(--transition-fast);
}

.toggle-switch.active {
    background: var(--primary);
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: var(--white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(24px);
}

.toggle-save {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--light-dark);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    position: relative;
    transition: all var(--transition-base);
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.02);
}

.pricing-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.375rem 1rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.pricing-header p {
    font-size: 0.9375rem;
    color: var(--text-light);
}

.pricing-price {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-price .currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-light);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--light-dark);
    font-size: 0.9375rem;
    color: var(--text);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 6rem 0;
    background: var(--dark);
    color: var(--white);
}

.about .section-title {
    color: var(--white);
}

.about .section-tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

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

.about-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
}

.feature-check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--success);
    border-radius: 50%;
    font-size: 0.75rem;
    color: var(--white);
    flex-shrink: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--dark-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--dark-lighter);
}

.visual-header {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--dark-lighter);
}

.visual-dot:first-child {
    background: #ef4444;
}

.visual-dot:nth-child(2) {
    background: #f59e0b;
}

.visual-dot:nth-child(3) {
    background: #10b981;
}

.visual-content {
    padding: 2rem;
}

.server-rack {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.server-unit {
    height: 40px;
    background: var(--dark-lighter);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.server-unit.active {
    background: rgba(99, 102, 241, 0.2);
}

.server-unit.active::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    padding: 6rem 0;
    background: var(--dark);
    color: var(--white);
}

.testimonials .section-title {
    color: var(--white);
}

.testimonials .section-tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--dark-lighter);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.testimonial-stars {
    font-size: 1.125rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.testimonial-quote {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

.testimonial-services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
    background: rgba(99, 102, 241, 0.15);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 6rem 0;
    background: var(--light);
}

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

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

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

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

.contact-details p {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    border: 1px solid var(--light-dark);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--light-dark);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

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

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--white);
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid var(--dark-lighter);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ============================================
   Service Card Link (for sub-page navigation)
   ============================================ */
a.service-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.service-card .card-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    transition: all var(--transition-fast);
}

.service-card:hover .card-link {
    transform: translateX(4px);
}

/* ============================================
   Breadcrumb Navigation
   ============================================ */
.breadcrumb {
    background: var(--dark);
    padding: 1rem 0;
    border-bottom: 1px solid var(--dark-lighter);
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a {
    color: var(--primary-light);
    transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Small Hero (for sub-pages)
   ============================================ */
.hero-small {
    min-height: auto;
    padding: 8rem 0 4rem;
}

.hero-small .hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
}

.hero-small .hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
}

.hero-small .hero-description {
    margin-bottom: 0;
}

/* ============================================
   Specifications Table
   ============================================ */
.specs-table-wrapper {
    background: var(--dark-light);
    border-radius: var(--radius-xl);
    border: 1px solid var(--dark-lighter);
    overflow: hidden;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--dark-lighter);
}

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

.specs-table td {
    padding: 1.25rem 1.5rem;
    font-size: 0.9375rem;
}

.specs-table td:first-child {
    width: 35%;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 500;
}

.specs-table td:last-child {
    color: var(--white);
}

@media (max-width: 768px) {
    .specs-table td {
        display: block;
        width: 100% !important;
        padding: 0.75rem 1rem;
    }

    .specs-table td:first-child {
        padding-bottom: 0;
        font-size: 0.875rem;
    }

    .specs-table td:last-child {
        padding-top: 0.25rem;
    }

    .specs-table tr {
        padding: 0.75rem 0;
        display: block;
    }
}

/* ============================================
   Portal / Auth Pages
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 440px;
}

.auth-box {
    background: var(--dark-light);
    border: 1px solid var(--dark-lighter);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.auth-logo .logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
}

.auth-header p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-form .form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.auth-form .form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--dark);
    border: 1px solid var(--dark-lighter);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    color: var(--white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.auth-form .form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.auth-form .form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.auth-form .btn-full {
    width: 100%;
    margin-top: 0.5rem;
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--dark-lighter);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.auth-footer a {
    color: var(--primary-light);
    font-weight: 500;
}

.auth-footer a:hover {
    color: var(--white);
}

.auth-back {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-back a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.auth-back a:hover {
    color: var(--white);
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading .spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Alert messages */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

/* ============================================
   Portal Dashboard (post-login appearance)
   ============================================ */
.portal-layout {
    display: flex;
    min-height: 100vh;
    background: var(--light);
}

.portal-sidebar {
    width: 260px;
    background: var(--dark);
    border-right: 1px solid var(--dark-lighter);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--dark-lighter);
}

.sidebar-header .nav-logo {
    color: var(--white);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--white);
    border-left-color: var(--primary);
}

.sidebar-nav li a svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--dark-lighter);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.portal-main {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
}

.portal-header {
    height: 64px;
    background: var(--white);
    border-bottom: 1px solid var(--light-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.portal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.portal-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.portal-content {
    flex: 1;
    padding: 2rem;
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.portal-card {
    background: var(--white);
    border: 1px solid var(--light-dark);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
}

.portal-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.portal-card-header h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portal-card-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
}

.portal-card-change {
    font-size: 0.875rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.portal-card-change.positive {
    color: var(--success);
}

.portal-card-change.negative {
    color: #ef4444;
}

/* Status indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.status-dot.warning {
    background: var(--accent);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.status-dot.offline {
    background: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Data table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.data-table th {
    text-align: left;
    padding: 0.875rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    background: var(--light);
    border-bottom: 1px solid var(--light-dark);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--light-dark);
    color: var(--text);
}

.data-table tr:hover td {
    background: var(--light);
}

/* Skeleton loading */
.skeleton {
    background: linear-gradient(90deg, var(--light-dark) 25%, var(--light) 50%, var(--light-dark) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 1rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .portal-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }

    .portal-sidebar.open {
        transform: translateX(0);
    }

    .portal-main {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-bottom: 1px solid var(--light-dark);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu a {
        font-size: 1.125rem;
    }

    .hero-stats {
        gap: 2rem;
    }

    .services-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-brand p {
        max-width: none;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .auth-box {
        padding: 1.5rem;
    }
}

/* ============================================
   Scroll Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Selection
   ============================================ */
::selection {
    background: var(--primary);
    color: var(--white);
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light);
}

::-webkit-scrollbar-thumb {
    background: var(--dark-lighter);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}