@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap');

/*
 * NBDStudio styles
 * This stylesheet defines a calm, minimal aesthetic using generous whitespace,
 * limited colour palettes and strong typography. These choices reflect
 * research findings on minimalist web design: minimalist sites tend to use
 * flat design, limited colour schemes and dramatic typography to create
 * premium experiences【942973972388481†L64-L66】【942973972388481†L154-L170】. We favour a monochromatic
 * palette with a blue accent to differentiate calls to action, consistent
 * spacing and responsive layouts.
 */

:root {
    --color-background: #ffffff;
    --color-text: #111111;
    --color-muted: #555555;
    --color-accent: #0055aa;
    --color-accent-light: #0073d9;
    --spacing-base: 1rem;
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    text-decoration: underline;
}

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

/* Header */
.site-header {
    padding: 1.5rem 0;
    border-bottom: 1px solid #e5e5e5;
    background: var(--color-background);
    position: relative;
    z-index: 10;
}

.site-header .logo {
    font-weight: 700;
    font-size: 1.75rem;
    color: var(--color-text);
}

.site-header .site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-header .site-nav a {
    font-weight: 500;
    color: var(--color-text);
}

/* Country switcher */
.country-switcher {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.country-switcher span {
    margin-right: 0.5rem;
    color: var(--color-muted);
}

.country-switcher a {
    margin-right: 0.5rem;
    color: var(--color-muted);
    font-weight: 400;
}

.country-switcher a.active {
    color: var(--color-accent);
    font-weight: 600;
}

.country-switcher a.auto-detect {
    color: var(--color-accent-light);
    font-weight: 500;
    margin-left: 1rem;
}

/* Hero section */
.hero {
    background: url('/assets/img/hero-bg.png') no-repeat center/cover;
    padding: 6rem 0 4rem;
    text-align: center;
    color: #ffffff;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.hero .tagline {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
}

.hero .subheading {
    font-size: 1rem;
    font-weight: 500;
    color: #e0e0e0;
    margin-bottom: 0.5rem;
}

.hero .promise {
    max-width: 600px;
    margin: 0.5rem auto 1rem;
    font-size: 0.95rem;
    color: #d0d0d0;
    line-height: 1.5;
}

.pricing {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    gap: 0.25rem;
    margin-top: 1rem;
    color: #ffffff;
}

.pricing .amount {
    font-size: 2.25rem;
    font-weight: 700;
}

.pricing .per {
    font-size: 0.9rem;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    margin-top: 1.25rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: #ffffff;
    border-radius: 4px;
    font-weight: 600;
    transition: background 0.2s ease;
}

.cta-button:hover {
    background: var(--color-accent-light);
}

/* Features */
.features {
    padding: 4rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

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

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.feature p {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.5;
}

/* Portfolio section (homepage) */
.portfolio {
    padding: 3rem 0;
    background: #f9f9f9;
    text-align: center;
}

.portfolio h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.portfolio p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--color-muted);
}

.button-secondary {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 4px;
    transition: background 0.2s ease, color 0.2s ease;
}

.button-secondary:hover {
    background: var(--color-accent);
    color: #ffffff;
}

/* Footer */
.site-footer {
    padding: 2rem 0;
    background: #f0f4f8;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.site-footer .footer-links a {
    margin-right: 1.5rem;
    color: var(--color-muted);
}

.site-footer .footer-links a:last-child {
    margin-right: 0;
}

.site-footer .country-switcher {
    margin-top: 1rem;
}

.site-footer .country-switcher span {
    color: var(--color-muted);
}

.site-footer .country-switcher a {
    color: var(--color-muted);
    margin-right: 0.5rem;
}

.site-footer .country-switcher a.active {
    color: var(--color-accent);
    font-weight: 600;
}

.site-footer .country-switcher a.auto-detect {
    color: var(--color-accent-light);
    font-weight: 500;
    margin-left: 1rem;
}

.site-footer p {
    margin-top: 1rem;
    color: var(--color-muted);
}

/* Sticky CTA for mobile */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-accent);
    padding: 0.75rem;
    text-align: center;
    display: none; /* Hidden by default; shown on mobile via media query */
    z-index: 100;
}

.sticky-cta .sticky-button {
    color: #ffffff;
    font-weight: 600;
    display: inline-block;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 0 3rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .pricing .amount {
        font-size: 1.75rem;
    }
    .pricing .per {
        font-size: 0.8rem;
    }
    .sticky-cta {
        display: block;
    }
}