/* ======================================
   Gemsbok Technologies - Styles
   Defence Solutions Website
   ====================================== */

/* ======================================
   CSS Custom Properties (Brand Palette)
   ====================================== */
:root {
    /* Brand Colors */
    --color-charcoal: #2b2b2b;
    --color-black: #0a0a0a;
    --color-red: #c41e3a;
    --color-red-dark: #9a1829;
    --color-gold: #d4af37;
    --color-gold-light: #f0d87a;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray-medium: #666666;
    --color-gray-dark: #3a3a3a;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition-speed: 0.3s;
    --transition-easing: ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
}

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

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* ======================================
   Typography
   ====================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-red);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

a:hover {
    color: var(--color-red-dark);
}

a:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ======================================
   Container & Layout
   ====================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* ======================================
   Header & Navigation
   ====================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-speed) var(--transition-easing);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    transition: all var(--transition-speed) var(--transition-easing);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    color: var(--color-white);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: all var(--transition-speed) var(--transition-easing);
}

.nav-links a:hover {
    color: var(--color-gold);
    background-color: rgba(212, 175, 55, 0.1);
}

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

/* ======================================
   Buttons
   ====================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: var(--font-weight-medium);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--color-gold);
    color: var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-gold-light);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-red);
    border: 2px solid var(--color-red);
}

.btn-outline:hover {
    background-color: var(--color-red);
    color: var(--color-white);
}

.btn-outline-light {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.phone-icon {
    font-size: 1.25rem;
}

/* ======================================
   Hero Section
   ====================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-charcoal) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--header-height);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><rect fill="%23c41e3a" opacity="0.05" width="1200" height="800"/></svg>');
    pointer-events: none;
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

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

/* ======================================
   Section Titles
   ====================================== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-black);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-red), var(--color-gold));
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-gray-medium);
}

/* ======================================
   Mission Section
   ====================================== */
.mission {
    background-color: var(--color-gray-light);
}

.mission-content {
    max-width: 900px;
    margin: 0 auto;
}

.mission-text {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.stat-block {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--color-red);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-red);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--color-gray-medium);
}

/* ======================================
   Capabilities Section
   ====================================== */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.capability-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) var(--transition-easing);
    border-left: 4px solid var(--color-red);
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--color-gold);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.card-deliverable,
.card-outcome {
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-deliverable strong,
.card-outcome strong {
    color: var(--color-red);
}

/* ======================================
   Roadmap / Timeline Section
   ====================================== */
.roadmap {
    background-color: var(--color-gray-light);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--spacing-md);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--color-red), var(--color-gold));
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s var(--transition-easing);
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.timeline-marker {
    position: absolute;
    left: -8px;
    top: 0;
    width: 20px;
    height: 20px;
    background-color: var(--color-red);
    border: 4px solid var(--color-white);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.timeline-period {
    display: inline-block;
    background-color: var(--color-red);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.timeline-description {
    color: var(--color-gray-medium);
    line-height: 1.7;
}

/* ======================================
   Localisation Section
   ====================================== */
.localisation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.localisation-item {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-top: 4px solid var(--color-gold);
}

.localisation-item h3 {
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.localisation-item p {
    color: var(--color-gray-medium);
    margin-bottom: 0;
}

/* ======================================
   Partners Section
   ====================================== */
.partners {
    background-color: var(--color-gray-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.partner-logo {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-speed) var(--transition-easing);
}

.partner-logo:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.logo-placeholder {
    color: var(--color-gray-medium);
    font-weight: var(--font-weight-bold);
    text-align: center;
    font-size: 1.125rem;
}

.partners-description {
    text-align: center;
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--color-gray-medium);
}

/* ======================================
   Why Gemsbok Section
   ====================================== */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.pillar-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all var(--transition-speed) var(--transition-easing);
    border-bottom: 4px solid var(--color-red);
}

.pillar-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--color-gold);
}

.pillar-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.pillar-title {
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.pillar-description {
    color: var(--color-gray-medium);
    line-height: 1.7;
}

/* ======================================
   Training Section
   ====================================== */
.training {
    background-color: var(--color-gray-light);
}

.training-intro {
    text-align: center;
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-gray-medium);
}

.training-tracks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.training-track {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-gold);
}

.training-track h3 {
    color: var(--color-black);
    margin-bottom: var(--spacing-sm);
}

.training-track p {
    color: var(--color-gray-medium);
    margin-bottom: 0;
    line-height: 1.7;
}

/* ======================================
   CTA Banner
   ====================================== */
.cta-banner {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.cta-title {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ======================================
   Contact Section
   ====================================== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.contact-info h3,
.contact-form-wrapper h3 {
    color: var(--color-black);
    margin-bottom: var(--spacing-md);
}

.office {
    margin-bottom: var(--spacing-md);
}

.office h4 {
    color: var(--color-red);
    margin-bottom: var(--spacing-xs);
}

.office p {
    color: var(--color-gray-medium);
    margin-bottom: 0;
}

.contact-details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
}

.contact-details p {
    margin-bottom: var(--spacing-xs);
}

.contact-details a {
    color: var(--color-red);
}

/* Contact Form */
.contact-form {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-black);
}

.required {
    color: var(--color-red);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-gray-light);
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-speed) var(--transition-easing);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-red);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--color-red);
}

.error-message {
    display: block;
    color: var(--color-red);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.2rem;
}

.form-success {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    border-radius: 4px;
    display: none;
}

.form-success.show {
    display: block;
}

.disclaimer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--color-gray-light);
    text-align: center;
}

.disclaimer p {
    color: var(--color-gray-medium);
    font-size: 0.9rem;
    font-style: italic;
}

/* ======================================
   Footer
   ====================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-md);
}

.footer-tagline {
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ======================================
   Back to Top Button
   ====================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-red);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) var(--transition-easing);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-red-dark);
    transform: translateY(-3px);
}

.back-to-top:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* ======================================
   Responsive Design - Tablet
   ====================================== */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
        --spacing-xl: 4rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: var(--spacing-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--transition-easing);
    }
    
    .nav-links.active {
        max-height: 500px;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .capabilities-grid,
    .pillars-grid,
    .training-tracks {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ======================================
   Responsive Design - Mobile
   ====================================== */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.6;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .stat-block {
        grid-template-columns: 1fr;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .btn {
        min-height: 44px;
    }
    
    .capability-card,
    .pillar-card,
    .training-track,
    .localisation-item {
        padding: var(--spacing-sm);
    }
    
    .card-title,
    .pillar-title {
        font-size: 1.125rem;
    }
    
    .timeline {
        padding-left: var(--spacing-sm);
    }
    
    .timeline-item {
        padding-left: var(--spacing-md);
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .nav-links a {
        font-size: 1.125rem;
        padding: var(--spacing-sm);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* ======================================
   Print Styles
   ====================================== */
@media print {
    .header,
    .nav-toggle,
    .back-to-top,
    .cta-banner {
        display: none;
    }
    
    .hero {
        margin-top: 0;
        min-height: auto;
        page-break-after: always;
    }
    
    section {
        page-break-inside: avoid;
    }
}

/* ======================================
   Accessibility Enhancements
   ====================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

@media (prefers-color-scheme: dark) {
    /* Dark mode preferences can be added here if needed */
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .capability-card,
    .pillar-card,
    .training-track {
        border: 2px solid var(--color-black);
    }
}