:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --secondary: #6c757d;
    --dark: #212529;
    --light: #f8f9fa;
    --interart-blue: #0047ab;
    --interart-light: #e3f2fd;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.4s ease;
    padding: 20px 0;
    background-color: transparent;
}

header.scrolled {
    background-color: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 10px 0;
}

.navbar-brand img {
    height: 40px;
    transition: all 0.3s ease;
}

header.scrolled .navbar-brand img {
    height: 35px;
}

.nav-link {
    font-weight: 500;
    margin: 0 10px;
    color: white !important;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #f0f090 !important;
}

header.scrolled .nav-link {
    color: var(--secondary) !important;
}

header.scrolled .nav-link:hover,
header.scrolled .nav-link.active {
    color: var(--interart-blue) !important;
}

.navbar-toggler {
    border: none;
    padding: 0;
    font-size: 1.8rem;
    color: white;
}

header.scrolled .navbar-toggler {
    color: var(--dark);
}

#logo {
    filter: brightness(0) invert(1);
}

header.scrolled #logo {
    filter: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--interart-blue) 0%, #1a6dff 100%);
    color: white;
    padding: 180px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
}

.hero .btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
}

.hero-img {
    max-height: 25rem;
}

.hero-pattern {
    position: absolute;
    z-index: 0;
    bottom: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="white" opacity="0.08"/></svg>');
    background-size: cover;
}

/* Sections General */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.8rem;
    color: var(--dark);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* Solutions */
.solutions {
    background-color: var(--light);
}

.solution-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    height: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    width: 70px;
    height: 70px;
    background: var(--interart-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--interart-blue);
    font-size: 1.8rem;
}

/* Clients */
.client-logo {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 20px 0;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.client-logo:hover {
    filter: grayscale(0);
    opacity: 1;
}

.client-logo img {
    max-height: 100%;
    max-width: 80%;
}

/* Testimonials */
.testimonials {
    background-color: var(--light);
}

.testimonial-card {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    margin: 20px;
    height: calc(100% - 40px);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.author-info h5 {
    margin-bottom: 5px;
}

.author-info p {
    color: var(--secondary);
    margin: 0;
}

/* About */
.about-content {
    display: flex;
    align-items: center;
}

.about-text {
    padding-right: 30px;
}

.about-stats {
    display: flex;
    margin-top: 40px;
}

.stat {
    margin-right: 40px;
}

.stat h3 {
    color: var(--interart-blue);
    font-size: 2.5rem;
    margin-bottom: 5px;
}

/* Contact */
.contact {
    background-color: var(--light);
}

.contact-form {
    background: white;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-control {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #dee2e6;
}

.form-control:focus {
    border-color: var(--interart-blue);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 70px 0 20px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background-color: var(--interart-blue);
    transform: translateY(-3px);
    color: white;
    text-decoration: none;
}

.footer-links h5 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-links ul {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-links a:not(.no-move):hover {
    padding-left: 5px;
}

.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    background-color: #128C7E;
    transform: scale(1.1);
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 40px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

div:has(.grecaptcha-badge) {
    display: none;
}

/* keyframes */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes rotator {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(270deg);
  }
}
@keyframes colors {
  0% {
    stroke: #2196F3;
  }
  25% {
    stroke: #EF5350;
  }
  50% {
    stroke: #FFCA28;
  }
  75% {
    stroke: #66BB6A;
  }
  100% {
    stroke: #2196F3;
  }
}
@keyframes dash {
  0% {
    stroke-dashoffset: 320;
  }
  50% {
    stroke-dashoffset: 46.75;
    transform: rotate(135deg);
  }
  100% {
    stroke-dashoffset: 320;
    transform: rotate(450deg);
  }
}
#loader {
  background-color: rgba(255, 255, 255, 0.7);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 2000;
}
@media print {
  #loader {
    display: none;
  }
}
#loader .spinner {
  animation: rotator 1.4s linear infinite;
  position: fixed;
  top: 50%;
  left: 50%;
  margin-left: -50px;
  margin-top: -50px;
}
#loader .spinner-path {
  stroke-dasharray: 320;
  stroke-dashoffset: 0;
  transform-origin: center;
  animation: dash 1.4s ease-in-out infinite, colors 5.6s ease-in-out infinite;
}

/* Responsive */
@media (max-width: 992px) {
    .navbar-collapse {
        background-color: white;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    .nav-link {
        color: var(--interart-blue) !important;
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }

    .section-title h2 {
        font-size: 2.4rem;
    }

    .about-content {
        flex-direction: column;
    }

    .about-text {
        padding-right: 0;
        margin-bottom: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 150px 0 80px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    section {
        padding: 70px 0;
    }

    .testimonial-card {
        padding: 30px;
    }

    .footer-links {
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }

    .about-stats {
        flex-direction: column;
    }

    .stat {
        margin-right: 0;
        margin-bottom: 20px;
    }
}