/* OTTO PROMOTIONAL WEBSITE - CUSTOM STYLES */

:root {
    --otto-primary: #5C6BC0;
    --otto-primary-dark: #3949AB;
    --otto-secondary: #FFB74D;
    --otto-accent: #48BB78;
    --otto-bg: #F5F7FA;
    --otto-text: #2D3748;
    --otto-text-secondary: #718096;
    --otto-border: #E2E8F0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--otto-text);
    background-color: var(--otto-bg);
    line-height: 1.6;
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 2rem; font-weight: 600; }

/* Navbar — default: solid white background (all inner pages) */
.navbar {
    background-color: #ffffff !important;
    padding: 20px 0;
    transition: all 0.3s ease;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--otto-primary) !important;
}

.navbar-nav .nav-link {
    color: var(--otto-text) !important;
    font-weight: 500;
    margin: 0 10px;
}

.navbar-nav .nav-link:hover {
    color: var(--otto-primary) !important;
}

/* Navbar — transparent hero mode (homepage only) */
.navbar.navbar-hero {
    background-color: transparent !important;
    box-shadow: none;
}

.navbar.navbar-hero .navbar-brand {
    color: #ffffff !important;
}

.navbar.navbar-hero .nav-link {
    color: #ffffff !important;
}

.navbar.navbar-hero .btn-outline-light {
    color: #ffffff;
    border-color: #ffffff;
}

/* Hero navbar scrolled → solid */
.navbar.navbar-hero.scrolled {
    background-color: #ffffff !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar.navbar-hero.scrolled .navbar-brand {
    color: var(--otto-primary) !important;
}

.navbar.navbar-hero.scrolled .nav-link {
    color: var(--otto-text) !important;
}

.navbar.navbar-hero.scrolled .btn-outline-light {
    color: var(--otto-primary);
    border-color: var(--otto-primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--otto-primary) 0%, var(--otto-primary-dark) 100%);
    color: #ffffff;
    padding: 150px 0 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff;
}

.hero .lead {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 12px 32px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--otto-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(92, 107, 192, 0.3);
}

.btn-light {
    background-color: #ffffff;
    color: var(--otto-primary);
}

/* Feature Cards */
.feature-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.feature-card i {
    font-size: 3rem;
    color: var(--otto-primary);
    margin-bottom: 1.5rem;
}

/* Footer */
footer {
    background-color: #2D3748;
    color: #ffffff;
    padding: 60px 0 20px;
    margin-top: 80px;
}

footer h5 {
    color: #ffffff;
    margin-bottom: 20px;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

footer a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 40px;
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}