/* ============================================
   GRID - Design System & Global Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    /* Brand Colors */
    --color-primary: #0A0F1C;
    --color-primary-light: #141B2E;
    --color-accent-blue: #C8963D;
    --color-accent-cyan: #2DBCB6;
    --color-accent-purple: #D4A84E;
    --color-accent-emerald: #2DBCB6;
    
    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #1A2340 0%, #C8963D 50%, #D4A84E 100%);
    --gradient-shiire: linear-gradient(135deg, #1A2340 0%, #C8963D 100%);
    --gradient-kanri: linear-gradient(135deg, #2DBCB6 0%, #1A2340 100%);
    --gradient-hero: linear-gradient(180deg, rgba(10,15,28,0) 0%, rgba(10,15,28,0.8) 100%);
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #FAF8F5;
    --color-gray-100: #F0ECE3;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Typography */
    --font-primary: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-glow-blue: 0 0 40px rgba(200,150,61,0.15);
    --shadow-glow-cyan: 0 0 40px rgba(45,188,182,0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-800);
    background-color: var(--color-white);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

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

/* --- Utility --- */
.hide-mobile {
    display: inline;
}

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

/* ============================================
   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(226,232,240,0.5);
    transition: var(--transition-base);
}

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-grid {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.nav-link:hover {
    color: var(--color-gray-900);
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-outline-nav {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--color-gray-200);
    color: var(--color-gray-700);
    background: transparent;
}

.btn-outline-nav:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.btn-primary-nav {
    padding: 8px 24px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: var(--color-white);
    box-shadow: 0 2px 10px rgba(200,150,61,0.3);
}

.btn-primary-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(200,150,61,0.4);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-toggle span {
    width: 22px;
    height: 2px;
    background: var(--color-gray-700);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.mobile-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-800);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.btn-outline-mobile {
    padding: 14px 24px;
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-gray-200);
    color: var(--color-gray-700);
    text-align: center;
}

.btn-primary-mobile {
    padding: 14px 24px;
    border-radius: var(--radius-md);
    background: var(--gradient-brand);
    color: var(--color-white);
    text-align: center;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-primary);
    padding-top: 72px;
}

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

.grid-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(200,150,61,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(200,150,61,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(59,130,246,0.12) 0%, transparent 70%),
        radial-gradient(ellipse 40% 40% at 30% 60%, rgba(6,182,212,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 70% 40%, rgba(139,92,246,0.08) 0%, transparent 60%);
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: rgba(200,150,61,0.1);
    border: 1px solid rgba(200,150,61,0.2);
    color: var(--color-accent-blue);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

.hero-badge i {
    font-size: 0.7rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 900;
    color: var(--color-white);
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-4xl);
    flex-wrap: wrap;
}

.btn-hero-primary {
    padding: 14px 32px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: var(--color-white);
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(200,150,61,0.4);
}

.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(200,150,61,0.5);
}

.btn-hero-secondary {
    padding: 14px 32px;
    border-radius: var(--radius-full);
    border: 1.5px solid rgba(255,255,255,0.2);
    color: var(--color-gray-300);
    font-size: 1rem;
}

.btn-hero-secondary:hover {
    border-color: rgba(255,255,255,0.4);
    color: var(--color-white);
    background: rgba(255,255,255,0.05);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.03em;
    line-height: 1;
}

.stat-suffix {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent-cyan);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-top: var(--space-sm);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
}

/* ============================================
   Products Section
   ============================================ */
.products {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent-blue);
    margin-bottom: var(--space-md);
    padding: 4px 12px;
    background: rgba(200,150,61,0.08);
    border-radius: var(--radius-full);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--color-gray-900);
    letter-spacing: -0.03em;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: 1.05rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Product Cards Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-4xl);
}

/* Product Card */
.product-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
    display: block;
}

.product-card:hover {
    transform: translateY(-4px);
}

.product-card-inner {
    position: relative;
    z-index: 2;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}

.product-card:hover .product-card-inner {
    border-color: transparent;
    box-shadow: var(--shadow-xl);
}

.product-card-glow {
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-xl);
    opacity: 0;
    transition: var(--transition-base);
    z-index: 1;
}

.product-card:hover .product-card-glow {
    opacity: 1;
}

.product-card-glow--shiire {
    background: var(--gradient-shiire);
    filter: blur(0px);
    padding: 2px;
}

.product-card-glow--kanri {
    background: var(--gradient-kanri);
    filter: blur(0px);
    padding: 2px;
}

.product-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}

.product-icon {
    position: relative;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    opacity: 0.12;
}

.icon-bg--shiire {
    background: var(--gradient-shiire);
}

.icon-bg--kanri {
    background: var(--gradient-kanri);
}

.product-icon i {
    font-size: 1.4rem;
    position: relative;
    z-index: 1;
}

.product-card--shiire .product-icon i {
    color: var(--color-accent-blue);
}

.product-card--kanri .product-icon i {
    color: var(--color-accent-cyan);
}

.product-engine {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: var(--color-gray-50);
}

.product-body {
    flex: 1;
}

.product-name {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-gray-900);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.product-grid-prefix {
    font-weight: 900;
}

.product-card--shiire .product-grid-prefix {
    background: var(--gradient-shiire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-card--kanri .product-grid-prefix {
    background: var(--gradient-kanri);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-tagline {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
}

.product-description {
    font-size: 0.9rem;
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-xl);
}

.product-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.product-features li i {
    font-size: 0.75rem;
}

.product-card--shiire .product-features li i {
    color: var(--color-accent-blue);
}

.product-card--kanri .product-features li i {
    color: var(--color-accent-cyan);
}

.product-footer {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-100);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.product-card--shiire .product-link {
    color: var(--color-accent-blue);
}

.product-card--kanri .product-link {
    color: var(--color-accent-cyan);
}

.product-link i {
    transition: var(--transition-fast);
}

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

/* Expanding Ecosystem Section */
.expanding-section {
    display: grid;
    grid-template-columns: 280px 1fr;
    align-items: center;
    gap: var(--space-2xl);
    padding: var(--space-3xl);
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
}

.expanding-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.expanding-rings {
    position: relative;
    width: 220px;
    height: 220px;
}

.expanding-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(200,150,61,0.12);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.expanding-ring--1 {
    width: 100px;
    height: 100px;
    border-color: rgba(200,150,61,0.25);
    animation: ringPulse 4s ease-in-out infinite;
}

.expanding-ring--2 {
    width: 160px;
    height: 160px;
    border-color: rgba(200,150,61,0.15);
    animation: ringPulse 4s ease-in-out 0.8s infinite;
}

.expanding-ring--3 {
    width: 220px;
    height: 220px;
    border-color: rgba(200,150,61,0.06);
    animation: ringPulse 4s ease-in-out 1.6s infinite;
}

@keyframes ringPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.08); opacity: 0.5; }
}

.expanding-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #C8963D, #D4A84E);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(200,150,61,0.4);
}

.expanding-core-text {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

.expanding-content {
    position: relative;
    z-index: 1;
}

.expanding-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-blue);
    padding: 4px 12px;
    background: rgba(200,150,61,0.12);
    border: 1px solid rgba(200,150,61,0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.expanding-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.4;
    margin-bottom: var(--space-md);
}

.expanding-description {
    font-size: 0.9rem;
    color: var(--color-gray-400);
    line-height: 1.8;
}

/* ============================================
   Value Proposition Section
   ============================================ */
.value-section {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.value-card {
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    transition: var(--transition-base);
}

.value-card:hover {
    background: var(--color-white);
    border-color: var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.value-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: var(--gradient-brand);
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: var(--space-lg);
}

.value-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-md);
}

.value-card p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    line-height: 1.8;
}

/* ============================================
   Technology Section
   ============================================ */
.tech-section {
    padding: var(--space-5xl) 0;
    background: var(--color-primary);
    overflow: hidden;
}

.tech-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

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

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

.tech-description {
    font-size: 1rem;
    color: var(--color-gray-400);
    line-height: 1.9;
    margin-bottom: var(--space-2xl);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-gray-300);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.tech-tag:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(59,130,246,0.3);
    color: var(--color-white);
}

/* Tech Visual */
.tech-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.tech-graphic {
    position: relative;
    width: 360px;
    height: 360px;
}

.tech-node--center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gradient-brand);
    color: var(--color-white);
    font-size: 1.1rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    box-shadow: 0 0 40px rgba(59,130,246,0.3);
    z-index: 3;
}

.tech-node--orbit {
    position: absolute;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--color-accent-cyan);
    font-size: 1rem;
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.tech-node--1 { top: 10%; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.tech-node--2 { top: 50%; right: 5%; transform: translateY(-50%); animation-delay: 1.5s; }
.tech-node--3 { bottom: 10%; left: 50%; transform: translateX(-50%); animation-delay: 3s; }
.tech-node--4 { top: 50%; left: 5%; transform: translateY(-50%); animation-delay: 4.5s; }

@keyframes float {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(calc(-50% - 8px)) scale(1.05); }
}

.tech-node--1 { animation-name: float-v; }
.tech-node--3 { animation-name: float-v; }

@keyframes float-v {
    0%, 100% { transform: translateX(-50%) scale(1); }
    50% { transform: translateX(-50%) translateY(-8px) scale(1.05); }
}

.orbit-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.06);
}

.orbit-ring--1 {
    width: 200px;
    height: 200px;
}

.orbit-ring--2 {
    width: 320px;
    height: 320px;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-50);
}

.cta-card {
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-4xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 50% 50% at 20% 50%, rgba(59,130,246,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 80% 50%, rgba(6,182,212,0.08) 0%, transparent 60%);
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
}

.cta-content p {
    font-size: 1rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.btn-cta-primary {
    padding: 16px 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-brand);
    color: var(--color-white);
    font-size: 1rem;
    box-shadow: 0 4px 20px rgba(200,150,61,0.4);
}

.btn-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(200,150,61,0.5);
}

.btn-cta-secondary {
    padding: 16px 36px;
    border-radius: var(--radius-full);
    border: 1.5px solid rgba(255,255,255,0.2);
    color: var(--color-gray-300);
    font-size: 1rem;
}

.btn-cta-secondary:hover {
    border-color: rgba(255,255,255,0.4);
    color: var(--color-white);
    background: rgba(255,255,255,0.05);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-gray-900);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    margin-bottom: var(--space-md);
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-xl);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    color: var(--color-gray-400);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: rgba(200,150,61,0.15);
    color: var(--color-accent-blue);
}

.footer-nav h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-gray-300);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.02em;
}

.footer-nav ul li {
    margin-bottom: var(--space-sm);
}

.footer-nav ul li a {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    transition: var(--transition-fast);
}

.footer-nav ul li a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-xl);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-gray-600);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    font-size: 0.8rem;
    color: var(--color-gray-600);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-gray-300);
}

/* ============================================
   Animations
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

[data-animate].animate-in {
    opacity: 1;
    transform: translate(0, 0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .value-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tech-layout {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .tech-content .section-title {
        text-align: center;
    }
    
    .section-title--left {
        text-align: center;
    }
    
    .tech-description {
        text-align: center;
    }
    
    .tech-stack {
        justify-content: center;
    }
    
    .expanding-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-actions {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .hide-mobile {
        display: none;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .expanding-section {
        grid-template-columns: 1fr;
        padding: var(--space-2xl);
    }

    .expanding-rings {
        width: 180px;
        height: 180px;
    }

    .expanding-ring--1 { width: 80px; height: 80px; }
    .expanding-ring--2 { width: 130px; height: 130px; }
    .expanding-ring--3 { width: 180px; height: 180px; }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        padding: var(--space-2xl);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tech-graphic {
        width: 280px;
        height: 280px;
    }
    
    .orbit-ring--1 {
        width: 160px;
        height: 160px;
    }
    
    .orbit-ring--2 {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-hero-primary,
    .btn-hero-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .coming-soon-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
        justify-content: center;
    }
}