/* =====================================================
   NOVA-TECK - PREMIUM DARK MODE LANDING PAGE
   Color Principal: Navy #1E3A8A
   ===================================================== */

/* =====================================================
   CSS VARIABLES - COLOR SYSTEM
   ===================================================== */
:root {
    /* Backgrounds */
    --bg-primary: #000000;
    --bg-secondary: #09090B;
    --bg-tertiary: #18181B;
    
    /* Navy Color Scale (Primary) */
    --primary-50: #EFF6FF;
    --primary-100: #DBEAFE;
    --primary-200: #BFDBFE;
    --primary-300: #93C5FD;
    --primary-400: #3B82F6;
    --primary-500: #1E3A8A;  /* Base Navy */
    --primary-600: #1E40AF;
    --primary-700: #1D4ED8;
    --primary-800: #1E3A8A;
    --primary-900: #172554;
    
    /* Primary RGB for opacity usage */
    --primary-rgb: 30, 58, 138;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-tertiary: #A1A1AA;
    --text-quaternary: #71717A;
    
    /* Accent Colors */
    --success: #22C55E;
    --info: #3B82F6;
    --warning: #F59E0B;
    
    /* Spacing */
    --container-width: 1280px;
    --section-padding: 120px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.75rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 50%, var(--primary-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =====================================================
   PARTICLES BACKGROUND
   ===================================================== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(var(--primary-rgb), 0.4);
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.6);
    animation: float-particle 20s infinite ease-in-out;
}

@keyframes float-particle {
    0%, 100% { 
        transform: translate(0, 0); 
        opacity: 0.4; 
    }
    25% { 
        transform: translate(100px, -100px); 
        opacity: 0.8; 
    }
    50% { 
        transform: translate(-50px, -200px); 
        opacity: 0.6; 
    }
    75% { 
        transform: translate(-100px, -100px); 
        opacity: 0.8; 
    }
}

/* =====================================================
   NAVBAR
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    padding: 16px 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
    filter: drop-shadow(0 0 20px rgba(var(--primary-rgb), 0.6));
}

.logo-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-smooth);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn-primary {
    background: linear-gradient(
        135deg,
        var(--primary-600) 0%,
        var(--primary-500) 30%,
        var(--primary-400) 60%,
        var(--primary-500) 100%
    );
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
    color: #ffffff;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: none;
    box-shadow: 
        0 0 0 1px rgba(var(--primary-rgb), 0.5),
        0 4px 24px rgba(var(--primary-rgb), 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    filter: brightness(1.1);
    box-shadow: 
        0 0 0 2px rgba(var(--primary-rgb), 0.8),
        0 8px 40px rgba(var(--primary-rgb), 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(var(--primary-rgb), 0.3);
    transition: var(--transition-smooth);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.btn-secondary:hover {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: rgba(var(--primary-rgb), 0.6);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.label-icon {
    font-size: 1.25rem;
}

.hero-title {
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-500);
    text-shadow: 0 0 20px rgba(var(--primary-rgb), 0.6);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Hero Visual - 3D Sphere */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fade-in-rotate 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.sphere-container {
    position: relative;
    width: 500px;
    height: 500px;
}

.sphere {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

.sphere-inner {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1) 0%, rgba(var(--primary-rgb), 0.2) 100%);
    border: 2px solid rgba(var(--primary-rgb), 0.3);
    box-shadow: 
        0 0 60px rgba(var(--primary-rgb), 0.4),
        0 0 120px rgba(var(--primary-rgb), 0.3),
        inset 0 0 60px rgba(var(--primary-rgb), 0.2);
    backdrop-filter: blur(10px);
}

.sphere-ring {
    position: absolute;
    border: 2px solid rgba(var(--primary-rgb), 0.3);
    border-radius: 50%;
}

.ring-1 {
    top: 10%;
    left: 10%;
    right: 10%;
    bottom: 10%;
    animation: rotate-ring-1 20s linear infinite;
}

.ring-2 {
    top: 20%;
    left: 20%;
    right: 20%;
    bottom: 20%;
    animation: rotate-ring-2 15s linear infinite reverse;
}

.ring-3 {
    top: 30%;
    left: 30%;
    right: 30%;
    bottom: 30%;
    animation: rotate-ring-3 25s linear infinite;
}

.sphere-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.8) 0%, rgba(var(--primary-rgb), 0.3) 100%);
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.8);
    animation: pulse-core 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(2deg); }
    50% { transform: translateY(-10px) rotate(-2deg); }
    75% { transform: translateY(-30px) rotate(1deg); }
}

@keyframes rotate-ring-1 {
    from { transform: rotateZ(0deg) rotateY(45deg); }
    to { transform: rotateZ(360deg) rotateY(45deg); }
}

@keyframes rotate-ring-2 {
    from { transform: rotateZ(0deg) rotateX(45deg); }
    to { transform: rotateZ(360deg) rotateX(45deg); }
}

@keyframes rotate-ring-3 {
    from { transform: rotateZ(0deg) rotateY(-45deg); }
    to { transform: rotateZ(360deg) rotateY(-45deg); }
}

@keyframes pulse-core {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(var(--primary-rgb), 0.8), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
    0%, 100% { opacity: 0; transform: translateY(-20px); }
    50% { opacity: 1; transform: translateY(0); }
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-rotate {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.9);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* =====================================================
   SOCIAL PROOF
   ===================================================== */
.social-proof {
    padding: 60px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.social-proof-text {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.partner-logo {
    color: var(--text-quaternary);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    opacity: 0.5;
}

.partner-logo:hover {
    color: var(--primary-500);
    opacity: 1;
}

/* =====================================================
   SECTIONS
   ===================================================== */
section {
    position: relative;
    z-index: 1;
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    max-width: 700px;
    margin: 0 auto;
}

/* =====================================================
   GLASS CARD
   ===================================================== */
.glass-card {
    background: linear-gradient(
        135deg,
        rgba(var(--primary-rgb), 0.08) 0%,
        rgba(var(--primary-rgb), 0.04) 50%,
        rgba(var(--primary-rgb), 0.08) 100%
    );
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.3),
        0 2px 4px -2px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(var(--primary-rgb), 0.35);
    box-shadow: 0 25px 50px -12px rgba(var(--primary-rgb), 0.35);
    transform: translateY(-4px);
}

/* =====================================================
   SERVICES SECTION - FLIP CARDS
   ===================================================== */
.services {
    background: radial-gradient(ellipse at top, rgba(var(--primary-rgb), 0.05) 0%, transparent 50%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.service-card-flip {
    perspective: 1000px;
    height: 400px;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.service-card-flip:hover .service-card-inner {
    transform: rotateY(180deg);
}

.service-card-front,
.service-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-card-front {
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
}

.service-icon {
    width: 80px;
    height: 80px;
    color: var(--primary-500);
    margin-bottom: 24px;
    filter: drop-shadow(0 0 20px rgba(var(--primary-rgb), 0.6));
    transition: var(--transition-smooth);
}

.service-card-flip:hover .service-icon {
    transform: scale(1.1) rotateY(15deg);
}

.service-title-front {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 0;
}

.service-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    pointer-events: none;
}

.service-card-back {
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-title-back {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.service-description {
    color: var(--text-tertiary);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    padding: 6px 12px;
    background: rgba(var(--primary-rgb), 0.15);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =====================================================
   PLATFORM SECTION
   ===================================================== */
.platform-showcase {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.platform-visual {
    padding: 0;
    overflow: hidden;
}

.dashboard-mockup {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.dashboard-header {
    background: var(--bg-tertiary);
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dashboard-tabs {
    display: flex;
    gap: 24px;
}

.tab {
    padding: 8px 16px;
    color: var(--text-tertiary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    border-radius: 6px;
}

.tab.active {
    background: rgba(var(--primary-rgb), 0.2);
    color: var(--primary-400);
}

.dashboard-content {
    padding: 32px;
}

.dashboard-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.metric-card {
    background: rgba(var(--primary-rgb), 0.05);
    padding: 20px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(var(--primary-rgb), 0.1);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.metric-value {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.metric-trend {
    font-size: 0.875rem;
    font-weight: 600;
}

.metric-trend.positive {
    color: var(--success);
}

.dashboard-chart {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-md);
    padding: 24px;
    height: 200px;
}

.platform-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.feature-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

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

/* =====================================================
   IMPACT SECTION
   ===================================================== */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.impact-card {
    text-align: center;
    padding: 48px 32px;
}

.impact-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    text-shadow: 0 0 40px rgba(var(--primary-rgb), 0.4);
}

.impact-label {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.impact-card p {
    color: var(--text-tertiary);
    line-height: 1.6;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.testimonial-card {
    position: relative;
    padding: 40px;
}

.quote-mark {
    font-size: 4rem;
    color: var(--primary-500);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    border: 2px solid rgba(var(--primary-rgb), 0.3);
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.rating {
    color: #FFC107;
    font-size: 1.25rem;
}

/* =====================================================
   CTA SECTION
   ===================================================== */
.cta-section {
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.2) 0%, transparent 70%);
    padding: 120px 0;
    text-align: center;
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

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

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo span {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-tertiary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: rgba(var(--primary-rgb), 0.2);
    border-color: var(--primary-500);
    color: var(--primary-400);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-quaternary);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-quaternary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--text-tertiary);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

/* Tablet */
@media (max-width: 1023px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .sphere-container {
        width: 350px;
        height: 350px;
    }
    
    .platform-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-content {
        gap: 40px;
    }
    
    .sphere-container {
        width: 250px;
        height: 250px;
    }
    
    .hero-ctas {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 32px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card-flip {
        height: 350px;
    }
    
    /* Mobile: tap to flip */
    .service-card-flip.flipped .service-card-inner {
        transform: rotateY(180deg);
    }
    
    .dashboard-metrics {
        grid-template-columns: 1fr;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .particle:nth-child(n+20) {
        display: none;
    }
}