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

:root {
    /* Colors from logo */
    --primary-blue: #1BA3E6;
    --dark-blue: #2E5BFF;
    --navy: #2D3748;
    --light-blue: #E6F7FF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --white: #FFFFFF;
    --success: #10B981;
    --error: #EF4444;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ===========================
   Base Styles
   =========================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--gray-900);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: sticky;
    top: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo img {
    height: 150px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--primary-blue);
    transition: width 0.3s ease;
}

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

.nav-cta {
    background: var(--primary-blue);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 6px;
}

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

.nav-cta:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 163, 230, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(27, 163, 230, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

/* ===========================
   Hero Section
   =========================== */
.hero {
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%231BA3E6" stroke-width="0.5" opacity="0.1"/><circle cx="30" cy="30" r="20" fill="none" stroke="%232E5BFF" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 200px;
    opacity: 0.3;
    z-index: 0;
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
}

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

.section-header h2 {
    font-size: 2.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ===========================
   Services Section
   =========================== */
.services {
    padding: var(--section-padding);
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-bottom: 5rem;
}

.service-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--dark-blue));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 10px 30px rgba(27, 163, 230, 0.15);
    transform: translateY(-5px);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--light-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 36px;
    height: 36px;
    color: var(--primary-blue);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.service-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.benefit-tag {
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 0.4rem 0.9rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
}

/* ===========================
   Use Cases Section
   =========================== */
.use-cases {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 3rem;
    margin-bottom: 4rem;
}

.use-cases h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 2rem;
    text-align: center;
}

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.use-case {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid var(--primary-blue);
}

.use-case strong {
    display: block;
    color: var(--navy);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
}

.use-case p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ===========================
   Integrations Section
   =========================== */
.integrations {
    text-align: center;
}

.integrations h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 2rem;
}

.integration-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.integration-item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    transition: var(--transition);
}

.integration-item:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* ===========================
   About Section
   =========================== */
.about {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-item svg {
    width: 24px;
    height: 24px;
    color: var(--success);
    flex-shrink: 0;
}

.feature-item span {
    color: var(--gray-700);
    font-weight: var(--font-weight-medium);
}

.stats-card {
    background: var(--white);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 100px;
}

.stats-card h4 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 2rem;
    text-align: center;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-row span {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.stat-row strong {
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: var(--section-padding);
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 16px;
    padding: 3rem;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-family);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(27, 163, 230, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
}

.form-submit {
    text-align: center;
}

.form-submit button {
    width: 100%;
    margin-bottom: 0.5rem;
}

.form-note {
    color: var(--gray-600);
    font-size: 0.9rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: var(--font-weight-medium);
    display: none;
}

.form-message.success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #10B981;
    display: block;
}

.form-message.error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #EF4444;
    display: block;
}

/* ===========================
   Contact Info Sidebar
   =========================== */
.contact-info {
    background: var(--gray-50);
    border-radius: 16px;
    padding: 2.5rem;
}

.contact-info h3 {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 3rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: start;
}

.contact-detail svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-detail div {
    flex: 1;
}

.contact-detail strong {
    display: block;
    color: var(--navy);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.3rem;
}

.contact-detail span,
.contact-detail a {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.contact-detail a:hover {
    color: var(--primary-blue);
}

.quick-stats {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-blue);
}

.quick-stats h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--navy);
    margin-bottom: 1rem;
}

.calculator-intro {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.roi-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.roi-item:last-of-type {
    border-bottom: none;
}

.roi-item span {
    display: block;
    color: var(--gray-600);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.roi-item strong {
    display: block;
    color: var(--primary-blue);
    font-weight: var(--font-weight-semibold);
}

.roi-note {
    font-size: 0.85rem;
    color: var(--gray-600);
    font-style: italic;
    margin-top: 1rem;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--navy);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    color: var(--gray-300);
    font-size: 0.95rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--white);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.7rem;
}

.footer-column ul li a {
    color: var(--gray-300);
    font-size: 0.95rem;
}

.footer-column ul li a:hover {
    color: var(--primary-blue);
}

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

.footer-bottom p {
    color: var(--gray-300);
    font-size: 0.9rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 968px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .stats-card {
        position: relative;
        top: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 4rem 0 3rem;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .service-card,
    .contact-form,
    .use-cases {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}

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

.service-card,
.use-case,
.feature-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling offset for fixed nav */
section {
    scroll-margin-top: 80px;
}