:root {
    /* Color Palette - Professional & Trustworthy */
    --primary: hsl(220, 80%, 30%);
    /* Deep Professional Blue */
    --secondary: hsl(0, 80%, 45%);
    /* Chilean Red accent */
    --accent: hsl(200, 90%, 50%);
    /* Bright Blue for highlights */
    --background: hsl(210, 20%, 98%);
    --surface: hsl(210, 20%, 100%);
    --text-main: hsl(210, 20%, 15%);
    --text-muted: hsl(210, 10%, 40%);
    --glass: hsla(210, 20%, 100%, 0.7);
    --border: hsla(210, 20%, 0%, 0.1);

    /* Spacing & Radii */
    --radius-lg: 1.5rem;
    --radius-md: 0.75rem;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 800;
    line-height: 1.2;
    color: var(--primary);
}

.title-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    color: var(--primary);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    background: radial-gradient(circle at top right, hsla(220, 80%, 30%, 0.05), transparent),
        radial-gradient(circle at bottom left, hsla(200, 90%, 50%, 0.05), transparent);
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* Sections */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.card {
    background: var(--surface);
    padding: 3rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all 0.4s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: hsla(220, 80%, 30%, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--primary);
}

/* Features */
.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

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

.feature-check {
    color: var(--accent);
    flex-shrink: 0;
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    color: var(--accent);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: hsla(0, 0%, 100%, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid hsla(0, 0%, 100%, 0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: hsla(0, 0%, 100%, 0.5);
}

/* Ticker Section */
.ticker-section {
    padding: 3rem 0;
    background: white;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.container--full {
    width: 100%;
}

.ticker-wrap {
    width: 100%;
    overflow: hidden;
}

.ticker {
    display: flex;
    width: fit-content;
    animation: ticker 40s linear infinite;
}

.ticker-item {
    flex-shrink: 0;
    padding: 0 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ticker-item img {
    height: 40px;
    filter: grayscale(1);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.ticker-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

@keyframes ticker {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-50%, 0, 0);
    }
}

.certifications-row img {
    max-width: 120px;
    object-fit: contain;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .cta-group {
        flex-direction: column;
    }
}