/* OTFIELD.com - Main Stylesheet */
/* Design System & Variables */

:root {
    /* Color Palette */
    --deep-navy: #1A365D;
    --steel-blue: #2D5A87;
    --industrial-orange: #E85D04;
    --dark-navy: #0D1B2A;
    --off-white: #F8F9FA;
    --white: #FFFFFF;
    --text-primary: #1A365D;
    --text-secondary: #4A5568;
    --text-light: #718096;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Source Sans Pro', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Borders */
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-color: #E2E8F0;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Container */
    --container-max-width: 1440px;
    --content-max-width: 1200px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--off-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--deep-navy);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2.25rem;
    font-weight: 700;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.7;
}

a {
    color: var(--steel-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--industrial-orange);
}

/* Layout Components */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: 5rem 0;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--deep-navy);
    text-decoration: none;
}

.logo span {
    color: var(--industrial-orange);
}

.nav-main {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-main a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-main a:hover {
    background-color: var(--off-white);
    color: var(--industrial-orange);
}

.nav-main a.active {
    color: var(--industrial-orange);
}

/* Override hover and active states for button-styled links to keep them readable */
.nav-main a.btn:hover {
    background-color: var(--deep-navy);
    color: var(--white);
}

.nav-main a.btn.active {
    color: var(--white);
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-dropdown-toggle:hover,
.nav-dropdown:hover .nav-dropdown-toggle {
    background-color: var(--off-white);
    color: var(--industrial-orange);
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% - 2px);
    left: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    padding-top: calc(var(--spacing-sm) + 2px);
    min-width: 240px;
}

.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu a {
    display: block;
    padding: var(--spacing-sm);
    color: var(--text-primary);
    border-radius: var(--border-radius);
}

.nav-dropdown-menu a:hover {
    background-color: var(--off-white);
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    background-color: var(--white);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-xl) 0;
    display: none;
    z-index: 999;
    border-bottom: 1px solid var(--border-color);
}

.nav-dropdown:hover .mega-menu,
.mega-menu:hover {
    display: block;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.mega-menu-grid.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.mega-menu-item {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    transition: background-color 0.3s ease;
}

.mega-menu-item:hover {
    background-color: var(--off-white);
}

.mega-menu-item h4 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-navy);
}

.mega-menu-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin: 0;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--deep-navy);
    margin: 5px 0;
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 1rem;
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--deep-navy);
    color: var(--white);
    border-color: var(--deep-navy);
}

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

.btn-secondary {
    background-color: var(--deep-navy);
    color: var(--white);
    border-color: var(--deep-navy);
}

.btn-secondary:hover {
    background-color: var(--industrial-orange);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--industrial-orange);
    color: var(--white);
    border-color: var(--industrial-orange);
}

.btn-accent:hover {
    background-color: #c74d04;
    border-color: #c74d04;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-xl);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: var(--off-white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--industrial-orange);
    font-size: 1.75rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.card-link {
    color: var(--steel-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.card-link:hover {
    color: var(--industrial-orange);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-navy) 0%, var(--deep-navy) 100%);
    color: var(--white);
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/hero-pattern.svg');
    opacity: 0.1;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Trust Indicators */
.trust-bar {
    background-color: var(--white);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trust-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

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

.trust-item-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--industrial-orange);
    display: block;
}

.trust-item-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: var(--dark-navy);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-3xl) 0 var(--spacing-lg) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--industrial-orange);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.form-label .required {
    color: var(--industrial-orange);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--steel-blue);
    box-shadow: 0 0 0 3px rgba(45, 90, 135, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    color: #E53E3E;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-success {
    background-color: #C6F6D5;
    color: #22543D;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-light {
    color: var(--text-light);
}

.text-white {
    color: var(--white);
}

.bg-white {
    background-color: var(--white);
}

.bg-navy {
    background-color: var(--deep-navy);
}

.bg-light {
    background-color: var(--off-white);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mega-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

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

    .nav-main {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .nav-main.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-md);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container,
    .container-narrow {
        padding: 0 var(--spacing-md);
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }
}