/* ==========================================
   FaithBot Design System
   Colors: Sarum Blue, White, Black
   Style: Clean, Minimalist, Modern
   ========================================== */

:root {
    /* Primary Colors */
    --sarum-blue: #1B365D;
    --white: #FFFFFF;
    --black: #000000;

    /* Grays */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-700: #374151;
    --gray-900: #111827;

    /* Semantic Colors */
    --primary: var(--sarum-blue);
    --background: var(--white);
    --text-primary: var(--black);
    --text-secondary: var(--gray-700);
    --border: var(--gray-200);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-primary);
    background: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==========================================
   Navigation Bar
   ========================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.main-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
    display: flex;
    align-items: center;
}

.nav-logo .logo-img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ==========================================
   Dropdown Component
   ========================================== */

.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle:hover {
    background: var(--gray-50);
    border-color: var(--primary);
}

.dropdown-toggle.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.dropdown-arrow {
    font-size: 0.625rem;
    transition: transform var(--transition-fast);
}

.dropdown.active .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--gray-100);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background: var(--gray-50);
    color: var(--primary);
    padding-left: 1.25rem;
}

.dropdown-menu a.active {
    background: var(--primary);
    color: var(--white);
}

/* ==========================================
   Content Container
   ========================================== */

.content-container {
    margin-top: 64px;
    height: calc(100vh - 64px);
    width: 100%;
    overflow: hidden;
}

.content-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ==========================================
   Page Content Styles
   ========================================== */

.page-content {
    margin-top: 64px;
    padding: 4rem 2rem;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
}

.page-hero {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

/* ==========================================
   Card Grid
   ========================================== */

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--primary);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.card-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.card-button:hover {
    background: var(--black);
    transform: translateX(4px);
}

/* ==========================================
   Mobile Responsive
   ========================================== */

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all var(--transition-base);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-link {
        padding: 0.75rem 2rem;
        border-bottom: 1px solid var(--gray-100);
    }

    .nav-link::after {
        display: none;
    }

    .dropdown {
        width: 100%;
    }

    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        border: none;
        border-bottom: 1px solid var(--gray-100);
        border-radius: 0;
        padding: 0.5rem 2rem;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        max-height: 300px;
        overflow-y: auto;
        background: var(--gray-50);
        margin: 0;
    }

    .dropdown-menu a {
        padding: 0.5rem 2.5rem;
        border-bottom: 1px solid var(--border);
        font-size: 0.875rem;
    }

    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.125rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   Animations
   ========================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ==========================================
   Utility Classes
   ========================================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }