/* =====================================================
   PrintAI - Professional AI Automation Website
   Smooth & Modern Design
   ===================================================== */

/* CSS Variables */
:root {
    /* Premium color palette */
    --primary: #7c3aed;
    --primary-dark: #6d28d9;
    --primary-light: #a78bfa;
    --secondary: #06b6d4;
    --accent: #10b981;
    --accent-warm: #f59e0b;

    /* Dark theme */
    --dark: #0a0a0f;
    --dark-lighter: #12121a;
    --dark-card: #16161f;
    --dark-border: rgba(255, 255, 255, 0.06);

    /* Text colors */
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-subtle: #64748b;
    --white: #ffffff;

    /* Premium gradients */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
    --gradient-warm: linear-gradient(135deg, #7c3aed 0%, #ec4899 50%, #f59e0b 100%);
    --gradient-cool: linear-gradient(135deg, #06b6d4 0%, #7c3aed 50%, #ec4899 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    --gradient-text: linear-gradient(135deg, #a78bfa 0%, #06b6d4 50%, #10b981 100%);
    --gradient-glow: linear-gradient(135deg, rgba(124, 58, 237, 0.4) 0%, rgba(6, 182, 212, 0.4) 100%);

    /* Shadows */
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(124, 58, 237, 0.3);

    /* Spacing & sizing */
    --border-radius: 20px;
    --border-radius-sm: 12px;

    /* Smooth transitions */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

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

.section-tag {
    display: inline-block;
    padding: 10px 20px;
    background: var(--gradient-subtle);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* =====================================================
   Navigation
   ===================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    padding: 16px 0;
    border-bottom: 1px solid var(--dark-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
}

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

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--white);
}

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

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* =====================================================
   Hero Section
   ===================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 140px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(6, 182, 212, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 50% 90%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
}

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

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3) 0%, rgba(6, 182, 212, 0.2) 100%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.25) 0%, rgba(16, 185, 129, 0.2) 100%);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(236, 72, 153, 0.2) 0%, rgba(124, 58, 237, 0.15) 100%);
    top: 40%;
    left: 30%;
    animation-delay: -14s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -50px) scale(1.05); }
    50% { transform: translate(-20px, -30px) scale(0.95); }
    75% { transform: translate(40px, 20px) scale(1.02); }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-badge i {
    color: var(--accent-warm);
}

.hero h1 {
    margin-bottom: 28px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.hero-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

.hero-social span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.social-icons a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator i {
    animation: bounceArrow 2s ease-in-out infinite;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* =====================================================
   About Section
   ===================================================== */
.about {
    padding: 140px 0;
    background: var(--dark-lighter);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.3), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-content h3 {
    margin-bottom: 24px;
    font-size: 1.75rem;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(124, 58, 237, 0.05);
    border: 1px solid rgba(124, 58, 237, 0.1);
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(124, 58, 237, 0.1);
    border-color: rgba(124, 58, 237, 0.2);
    transform: translateX(5px);
}

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

.about-image {
    position: relative;
}

.image-card {
    position: relative;
    background: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 80px;
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

.card-glow {
    position: absolute;
    inset: 0;
    background: var(--gradient-subtle);
    opacity: 0.5;
}

.tech-illustration {
    position: relative;
    width: 280px;
    height: 280px;
    margin: 0 auto;
}

.tech-illustration > i {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px dashed rgba(124, 58, 237, 0.2);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.orbit-1 { width: 160px; height: 160px; }
.orbit-2 { width: 220px; height: 220px; animation-duration: 40s; animation-direction: reverse; }
.orbit-3 { width: 280px; height: 280px; animation-duration: 50s; }

.orbit-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: var(--dark-lighter);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1rem;
    transition: var(--transition);
}

.orbit-dot:hover {
    background: var(--primary);
    color: var(--white);
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* =====================================================
   Services Section
   ===================================================== */
.services {
    padding: 140px 0;
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.service-card {
    position: relative;
    background: var(--dark-lighter);
    border-radius: var(--border-radius);
    padding: 48px 36px;
    transition: var(--transition);
    border: 1px solid var(--dark-border);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-subtle);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: rgba(124, 58, 237, 0.2);
    box-shadow: var(--shadow-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(6, 182, 212, 0.05));
    border-color: rgba(124, 58, 237, 0.2);
}

.featured-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 8px 16px;
    background: var(--gradient-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    z-index: 2;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-subtle);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon i {
    font-size: 2rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    margin-bottom: 16px;
    font-size: 1.35rem;
}

.service-card > p {
    color: var(--text-muted);
    margin-bottom: 28px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.service-features li i {
    color: var(--accent);
    font-size: 0.85rem;
}

/* =====================================================
   Solutions Section
   ===================================================== */
.solutions {
    padding: 140px 0;
    background: var(--dark-lighter);
    position: relative;
}

.solutions::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.3), transparent);
}

.section-header.light h2,
.section-header.light p {
    color: var(--text);
}

.solutions-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-visual {
    position: relative;
    padding: 80px;
}

.central-hub {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--white);
    font-weight: 600;
    font-size: 0.85rem;
    z-index: 10;
    box-shadow: var(--shadow-glow);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 60px rgba(124, 58, 237, 0.4); }
    50% { box-shadow: 0 0 80px rgba(124, 58, 237, 0.6); }
}

.central-hub i {
    font-size: 2.25rem;
}

.connection-lines {
    position: relative;
    width: 380px;
    height: 380px;
    margin: 0 auto;
}

.connection {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.connection .node {
    width: 56px;
    height: 56px;
    background: var(--dark-card);
    border: 2px solid rgba(124, 58, 237, 0.3);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    transition: var(--transition);
    font-size: 1.25rem;
}

.connection:hover .node {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: scale(1.1);
}

.connection span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

.c1 { top: 0; left: 50%; transform: translateX(-50%); }
.c2 { top: 18%; right: 0; }
.c3 { bottom: 18%; right: 0; }
.c4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.c5 { bottom: 18%; left: 0; }
.c6 { top: 18%; left: 0; }

.solution-benefits {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.benefit-card {
    display: flex;
    gap: 24px;
    padding: 28px;
    background: var(--dark-card);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid var(--dark-border);
}

.benefit-card:hover {
    border-color: rgba(124, 58, 237, 0.2);
    transform: translateX(12px);
    box-shadow: var(--shadow-sm);
}

.benefit-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-subtle);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon {
    background: var(--gradient-primary);
}

.benefit-icon i {
    font-size: 1.35rem;
    color: var(--primary-light);
    transition: var(--transition);
}

.benefit-card:hover .benefit-icon i {
    color: var(--white);
}

.benefit-content h4 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.benefit-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =====================================================
   Contact Section
   ===================================================== */
.contact {
    padding: 140px 0;
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.3), transparent);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.contact-info h2 {
    margin-bottom: 24px;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 48px;
    font-size: 1.1rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 48px;
}

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

.contact-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-subtle);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.25rem;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.contact-text h4 {
    margin-bottom: 6px;
    font-size: 1rem;
}

.contact-text p,
.contact-text a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-text a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 14px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--dark-lighter);
    border: 1px solid var(--dark-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-4px);
}

.contact-form-wrapper {
    background: var(--dark-lighter);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    padding: 48px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 18px 24px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius-sm);
    color: var(--text);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
}

.form-group label {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: var(--transition);
    pointer-events: none;
    background: var(--dark-card);
    padding: 0 8px;
}

.form-group textarea ~ label {
    top: 28px;
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group select:focus ~ label,
.form-group select:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: 0;
    font-size: 0.8rem;
    color: var(--primary-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    padding: 80px 0 40px;
    background: var(--dark);
    border-top: 1px solid var(--dark-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 24px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 360px;
    margin-bottom: 28px;
    line-height: 1.7;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    background: var(--dark-lighter);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--white);
    transform: translateY(-3px);
}

.footer-links h4 {
    margin-bottom: 28px;
    font-size: 1.1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(4px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--dark-border);
}

.footer-bottom p {
    color: var(--text-subtle);
    font-size: 0.9rem;
}

/* =====================================================
   Chatbot Widget
   ===================================================== */
.chatbot-trigger {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.chatbot-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(124, 58, 237, 0.5);
}

.chatbot-widget {
    position: fixed;
    bottom: 110px;
    right: 32px;
    width: 400px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    z-index: 1000;
    overflow: hidden;
    display: none;
    flex-direction: column;
}

.chatbot-widget.active {
    display: flex;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chatbot-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    background: var(--gradient-primary);
    color: var(--white);
}

.chatbot-avatar {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.chatbot-info {
    flex: 1;
}

.chatbot-info h4 {
    font-size: 1rem;
    font-weight: 600;
}

.chatbot-info .status {
    font-size: 0.8rem;
    opacity: 0.9;
}

.chatbot-close {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition);
    padding: 8px;
}

.chatbot-close:hover {
    opacity: 1;
    transform: scale(1.1);
}

.chatbot-messages {
    flex: 1;
    padding: 24px;
    max-height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.message {
    display: flex;
    gap: 12px;
    max-width: 85%;
    animation: messageIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.bot {
    align-self: flex-start;
}

.message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-content {
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.message.bot .message-content {
    background: var(--dark-lighter);
    border-bottom-left-radius: 4px;
}

.message.user .message-content {
    background: var(--gradient-primary);
    color: var(--white);
    border-bottom-right-radius: 4px;
}

.chatbot-input {
    display: flex;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--dark-border);
}

.chatbot-input input {
    flex: 1;
    padding: 14px 20px;
    background: var(--dark-lighter);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.95rem;
    transition: var(--transition);
}

.chatbot-input input:focus {
    outline: none;
    border-color: var(--primary);
}

.chatbot-input button {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.chatbot-input button:hover {
    transform: scale(1.05);
}

/* =====================================================
   Responsive Design
   ===================================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid,
    .solutions-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-image {
        order: -1;
    }

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

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--dark-lighter);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 48px;
        transition: var(--transition-slow);
        border-left: 1px solid var(--dark-border);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .chatbot-widget {
        width: calc(100% - 48px);
        right: 24px;
        bottom: 100px;
    }

    .chatbot-trigger {
        right: 24px;
        bottom: 24px;
    }

    .solution-visual {
        padding: 40px;
    }

    .connection-lines {
        width: 300px;
        height: 300px;
    }

    .central-hub {
        width: 100px;
        height: 100px;
        font-size: 0.75rem;
    }

    .central-hub i {
        font-size: 1.75rem;
    }

    .connection .node {
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .btn {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

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

    .contact-form-wrapper {
        padding: 32px 24px;
    }

    .scroll-indicator {
        display: none;
    }
}