/* ===================================
   ERP Partner — Main Stylesheet
   Follows CEAVEO Brand Guidelines v2
   =================================== */

:root {
    --color-primary: #2C3E50;
    --color-secondary: #7F8C8D;
    --color-accent: #73343A;
    --color-text: #34495E;
    --color-light-gray: #f6f5f3;
    --color-white: #FFFFFF;
    --color-merlot: #73343A;
    --color-merlot-dark: #5E2A2F;
    --color-merlot-glow: rgba(115, 52, 58, 0.12);
    --color-graphite: #292D33;
    --color-silver: #C8D0DA;
    --color-fog: #6D7A88;
    --color-surface: #f6f5f3;
    --border-subtle: 1px solid #e8e6e2;
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --font-heading: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --radius-sm: 6px;
    --radius-card: 10px;
    --radius-container: 14px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--color-text);
    background: var(--color-surface);
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* === Language Bar === */
.lang-bar {
    background: var(--color-graphite);
    padding: 6px 0;
    text-align: right;
}
.lang-bar .container { display: flex; justify-content: flex-end; align-items: center; gap: 8px; }
.lang-link {
    color: var(--color-fog);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}
.lang-link.active, .lang-link:hover { color: var(--color-white); }
.lang-sep { color: var(--color-fog); font-size: 12px; }

/* === Header === */
.header {
    background: var(--color-white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}
.header.scrolled { padding: 0.6rem 0; }
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo-link { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-img { height: 36px; }
.ceaveo-logo { font-size: 1.4rem; letter-spacing: 0.12em; color: var(--color-merlot); }
.ceaveo-logo .b { font-weight: 700; }
.ceaveo-logo .i { font-weight: 400; font-style: italic; }
.ceaveo-logo .r { font-weight: 400; }
.site-logo { font-size: 1.4rem; font-weight: 700; letter-spacing: 0.02em; text-decoration: none; }
.logo-dark { color: var(--color-primary); }
.logo-gray { color: var(--color-secondary); font-weight: 400; }
.nav-list { display: flex; list-style: none; gap: 2rem; }
.nav-link {
    text-decoration: none;
    color: var(--color-fog);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}
.nav-link:hover { color: var(--color-merlot); }

/* Mobile menu */
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.mobile-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-primary); margin: 5px 0; transition: all var(--transition-fast); }

@media (max-width: 768px) {
    .mobile-menu-toggle { display: block; }
    .nav-menu { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-white); padding: 1rem; box-shadow: var(--shadow-md); }
    .nav-menu.active { display: block; }
    .nav-list { flex-direction: column; gap: 1rem; }
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--color-merlot);
    color: var(--color-white);
    border-color: var(--color-merlot);
}
.btn-primary:hover { background: var(--color-merlot-dark); border-color: var(--color-merlot-dark); }
.btn-outline {
    background: transparent;
    color: var(--color-merlot);
    border-color: var(--color-merlot);
}
.btn-outline:hover { background: var(--color-merlot); color: var(--color-white); }
.btn-full { width: 100%; text-align: center; }

/* === Hero === */
.hero {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
    text-align: center;
}
.hero-content { max-width: 700px; margin: 0 auto; }
.hero-logo { height: 80px; margin-bottom: var(--spacing-md); }
.hero-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === Sections === */
.about, .partners, .contact { padding: var(--spacing-xl) 0; }
.about { background: var(--color-surface); }
.partners { background: var(--color-white); }
.contact { background: var(--color-surface); }

.section-header { text-align: center; margin-bottom: var(--spacing-lg); }
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}
.section-subtitle { font-size: 1.05rem; color: var(--color-secondary); }

/* === About === */
.about-content { max-width: 750px; margin: 0 auto; }
.about-text { margin-bottom: var(--spacing-sm); font-size: 1.05rem; line-height: 1.75; }
.about-facts {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}
.fact-item {
    text-align: center;
    padding: 1.25rem 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    min-width: 160px;
}
.fact-item strong {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-fog);
    margin-bottom: 0.4rem;
}
.fact-item span { font-weight: 600; color: var(--color-primary); }

/* === Partners === */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}
.partner-card {
    background: var(--color-surface);
    border-radius: var(--radius-container);
    padding: var(--spacing-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: var(--border-subtle);
}
.partner-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.partner-icon {
    color: var(--color-merlot);
    margin-bottom: var(--spacing-sm);
}
.partner-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}
.partner-name a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.partner-name a:hover { color: var(--color-merlot); }
.partner-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}
.partner-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-merlot);
    background: var(--color-merlot-glow);
    padding: 4px 12px;
    border-radius: 100px;
    letter-spacing: 0.02em;
}

/* === Contact === */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}
@media (max-width: 768px) { .contact-wrapper { grid-template-columns: 1fr; } }
.info-item { margin-bottom: var(--spacing-md); }
.info-item h3 { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 0.4rem; }
.info-item p { color: var(--color-secondary); line-height: 1.6; }
.info-item a { color: var(--color-merlot); text-decoration: none; }
.info-item a:hover { text-decoration: underline; }

.form-group { margin-bottom: var(--spacing-sm); }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 0.4rem; color: var(--color-primary); }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--color-merlot); }

/* === Footer === */
.footer { background: var(--color-graphite); color: var(--color-silver); padding: var(--spacing-lg) 0 var(--spacing-md); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
@media (max-width: 768px) { .footer-content { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-content { grid-template-columns: 1fr; } }
.footer-logo-wrapper { display: flex; align-items: center; gap: 10px; margin-bottom: 0.75rem; }
.footer-logo-img { height: 30px; }
.footer-logo { font-size: 1.3rem; color: var(--color-merlot); }
.footer-tagline { color: var(--color-fog); font-size: 0.9rem; }
.footer-section h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-fog); margin-bottom: 0.75rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { color: var(--color-silver); text-decoration: none; font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--color-fog);
}
.footer-statement a { color: var(--color-fog); text-decoration: none; }
.footer-statement a:hover { color: var(--color-silver); }