/* ===================================
   PORT DAWG TOOLS - MODERN THEME
   Clean, Minimalistic, Professional
   =================================== */

/* CSS Variables */
:root {
    /* Modern Color Palette */
    --primary-red: #C41E3A;
    --primary-red-dark: #9A1529;
    --primary-red-light: #E63950;
    
    --neutral-900: #1A202C;
    --neutral-800: #2D3748;
    --neutral-700: #4A5568;
    --neutral-600: #718096;
    --neutral-500: #A0AEC0;
    --neutral-400: #CBD5E0;
    --neutral-300: #E2E8F0;
    --neutral-200: #EDF2F7;
    --neutral-100: #F7FAFC;
    --neutral-white: #FFFFFF;
    
    --accent-blue: #2B6CB0;
    --accent-gold: #D69E2E;
    
    /* Typography */
    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', sans-serif;
    
    /* Spacing Scale */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.5rem;   /* 24px */
    --space-6: 2rem;     /* 32px */
    --space-8: 3rem;     /* 48px */
    --space-10: 4rem;    /* 64px */
    --space-12: 6rem;    /* 96px */
    
    /* 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);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===================================
   RESET & BASE STYLES
   =================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    color: var(--neutral-800);
    background-color: var(--neutral-white);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-900);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

a {
    color: var(--primary-red);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

/* ===================================
   HEADER & NAVIGATION
   =================================== */

.main-header {
    background-color: var(--neutral-white);
    border-bottom: 1px solid var(--neutral-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon svg {
    display: block;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    letter-spacing: -0.025em;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--neutral-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--neutral-800);
    transition: var(--transition-base);
}

/* Navigation */
.main-nav {
    background-color: var(--neutral-white);
    border-top: 1px solid var(--neutral-200);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: var(--space-1);
    padding: 0;
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: var(--space-4) var(--space-5);
    color: var(--neutral-700);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-base);
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover {
    color: var(--primary-red);
    background-color: var(--neutral-100);
}

.nav-menu a.active {
    color: var(--primary-red);
    border-bottom-color: var(--primary-red);
}

/* ===================================
   HERO SECTION
   =================================== */

.hero-section {
    padding: var(--space-12) 0 var(--space-10);
    background: linear-gradient(135deg, var(--neutral-100) 0%, var(--neutral-white) 100%);
    border-bottom: 1px solid var(--neutral-200);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--neutral-900) 0%, var(--neutral-700) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: var(--space-8);
    justify-content: center;
    margin-top: var(--space-8);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-red);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-600);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===================================
   MISSION SECTION
   =================================== */

.mission-section {
    padding: var(--space-12) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.section-header h2 {
    margin-bottom: var(--space-3);
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: var(--primary-red);
    margin: 0 auto;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-8);
}

.mission-card {
    background-color: var(--neutral-white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

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

.mission-icon {
    margin-bottom: var(--space-4);
}

.mission-card h3 {
    margin-bottom: var(--space-3);
    color: var(--neutral-900);
}

.mission-card p {
    color: var(--neutral-600);
    line-height: 1.7;
}

/* ===================================
   PLATFORMS SECTION
   =================================== */

.platforms-section {
    padding: var(--space-12) 0;
    background-color: var(--neutral-100);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.platform-card {
    background-color: var(--neutral-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
    display: block;
}

.platform-card:hover {
    border-color: var(--primary-red);
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.platform-image {
    height: 160px;
    overflow: hidden;
    background-color: var(--neutral-100);
}

.platform-image svg {
    width: 100%;
    height: 100%;
}

.platform-content {
    padding: var(--space-6);
}

.platform-content h3 {
    margin-bottom: var(--space-2);
    color: var(--neutral-900);
}

.platform-content p {
    color: var(--neutral-600);
    margin-bottom: var(--space-4);
}

.platform-link {
    display: inline-flex;
    align-items: center;
    color: var(--primary-red);
    font-weight: 600;
    font-size: 0.875rem;
    transition: gap var(--transition-base);
}

.platform-card:hover .platform-link {
    gap: 0.5rem;
}

/* ===================================
   TOOLS SECTION
   =================================== */

.tools-section {
    padding: var(--space-12) 0;
}

.tools-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}

.tools-text {
    max-width: 540px;
}

.tools-text p {
    color: var(--neutral-600);
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.tool-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background-color: var(--neutral-100);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary-red);
    transition: all var(--transition-base);
}

.tool-item:hover {
    background-color: var(--neutral-white);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.tool-item span {
    font-weight: 500;
    color: var(--neutral-700);
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-section {
    padding: var(--space-12) 0;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
}

.cta-card {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    color: var(--neutral-white);
}

.cta-card h2 {
    color: var(--neutral-white);
    margin-bottom: var(--space-4);
}

.cta-card p {
    font-size: 1.125rem;
    margin-bottom: var(--space-6);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.btn-primary:hover {
    background-color: var(--neutral-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--neutral-white);
    border-color: var(--neutral-white);
}

.btn-secondary:hover {
    background-color: var(--neutral-white);
    color: var(--primary-red);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   FOOTER
   =================================== */

.main-footer {
    background-color: var(--neutral-900);
    color: var(--neutral-400);
    padding: var(--space-10) 0 var(--space-6);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    margin-bottom: var(--space-4);
}

.footer-brand h3 {
    color: var(--neutral-white);
    margin-bottom: var(--space-3);
    font-size: 1.125rem;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
}

.footer-links h4 {
    color: var(--neutral-white);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    color: var(--neutral-400);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--neutral-white);
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid var(--neutral-800);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--neutral-500);
    margin-bottom: var(--space-2);
}

.footer-tagline {
    color: var(--primary-red);
    font-weight: 500;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 1024px) {
    .tools-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mission-grid {
        grid-template-columns: 1fr;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .logo-title {
        font-size: 1rem;
    }
    
    .logo-subtitle {
        font-size: 0.625rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* ===================================
   UTILITY CLASSES
   =================================== */

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

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* ===================================
   HISTORY PAGE STYLES
   =================================== */

.history-content {
    padding: var(--space-10) 0;
}

.history-article {
    max-width: 900px;
    margin: 0 auto;
}

.history-article h2 {
    color: var(--primary-red);
    margin-top: var(--space-10);
    margin-bottom: var(--space-6);
    padding-top: var(--space-6);
    border-top: 2px solid var(--neutral-200);
}

.history-article h2:first-of-type {
    margin-top: 0;
    border-top: none;
    padding-top: 0;
}

.history-article h3 {
    color: var(--neutral-900);
    margin-top: var(--space-8);
    margin-bottom: var(--space-4);
}

.history-article h4 {
    color: var(--neutral-700);
    margin-top: var(--space-6);
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.history-article p {
    margin-bottom: var(--space-5);
    line-height: 1.8;
    color: var(--neutral-700);
}

.history-article .intro-section {
    background-color: var(--neutral-100);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-red);
    margin-bottom: var(--space-8);
}

.history-article .intro-section h2 {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.history-article .intro-section p {
    margin-bottom: 0;
    font-size: 1.125rem;
}

.timeline-section,
.korea-section,
.vietnam-section,
.urgent-fury-section,
.desert-section,
.provide-promise-section,
.joint-endeavor-section,
.noble-anvil-section,
.gwot-section,
.conclusion-section {
    margin-bottom: var(--space-8);
}

.final-quote {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-red);
    text-align: center;
    margin-top: var(--space-8);
    padding: var(--space-6);
    border-top: 2px solid var(--primary-red);
    border-bottom: 2px solid var(--primary-red);
    font-style: italic;
}

@media (max-width: 768px) {
    .history-article {
        padding: 0 var(--space-4);
    }
    
    .history-article h2 {
        font-size: 1.5rem;
    }
    
    .history-article h3 {
        font-size: 1.25rem;
    }
    
    .final-quote {
        font-size: 1.25rem;
    }
}

/* Mobile Menu Styles - ADD TO styles.css */

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: #1a202c;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

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

/* Mobile styles */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: relative;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 0;
        border-bottom: 1px solid #e2e8f0;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        color: #1a202c;
    }
    
    .nav-menu a:hover,
    .nav-menu a.active {
        background: #f7fafc;
        color: #dc2626;
    }
}