/* NovaStrataAI Global Styles - Phase 1 Foundation */

/* ========================================
   FONTS - Fontshare CDN
   Bespoke Stencil: H1, H2
   Epilogue: H3-H6, body, UI
   ======================================== */

@import url('https://api.fontshare.com/v2/css?f[]=bespoke-stencil@400&f[]=epilogue@300,400,500,600,700&display=swap');

/* ========================================
   COLOR SYSTEM
   Primary: Blue variants (opacity-based)
   Accent: Orange (CTAs only)
   ======================================== */

:root {
    /* Base Colors */
    --color-blue-base: #1e40af;
    --color-orange-accent: #f97316;
    
    /* Blue Variants (opacity-based) */
    --color-blue-100: rgba(30, 64, 175, 0.05);
    --color-blue-200: rgba(30, 64, 175, 0.1);
    --color-blue-300: rgba(30, 64, 175, 0.2);
    --color-blue-500: rgba(30, 64, 175, 0.5);
    --color-blue-700: rgba(30, 64, 175, 0.7);
    --color-blue-900: rgba(30, 64, 175, 1);
    
    /* Neutrals */
    --color-dark-bg: #020617;
    --color-dark-card: #1e293b;
    --color-dark-primary: #0f172a;
    --color-text-light: #f8fafc;
    --color-text-gray: #64748b;
    
    /* Effects */
    --glow-blue: rgba(30, 64, 175, 0.5);
    --glow-orange: rgba(249, 115, 22, 0.4);
    --success-green: #10b981;
    --error-red: #ef4444;
    
    /* Spacing System (8-point grid) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-8: 64px;
    --space-10: 80px;
    --space-12: 96px;
    
    /* Typography Scale (Major Third: 1.25 ratio) */
    --font-base: 1rem;        /* 16px */
    --font-h6: 1.25rem;       /* 20px */
    --font-h5: 1.563rem;      /* 25px */
    --font-h4: 1.953rem;      /* 31px */
    --font-h3: 2.441rem;      /* 39px */
    --font-h2: 3.052rem;      /* 49px */
    --font-h1: 3.815rem;      /* 61px */
}

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

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

body {
    font-family: 'Epilogue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-dark-bg);
    color: var(--color-text-light);
    font-size: var(--font-base);
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1 {
    font-family: 'Bespoke Stencil', sans-serif;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -0.02em;
    font-size: var(--font-h1);
    margin-bottom: var(--space-3);
}

h2, h3, h4, h5, h6 {
    font-family: 'Epilogue', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

h2 {
    font-size: var(--font-h2);
    margin-bottom: var(--space-3);
}

h3 {
    font-size: var(--font-h3);
    margin-bottom: var(--space-2);
}

h4 {
    font-size: var(--font-h4);
    margin-bottom: var(--space-2);
}

h5 {
    font-size: var(--font-h5);
    margin-bottom: var(--space-2);
}

h6 {
    font-size: var(--font-h6);
    margin-bottom: var(--space-2);
}

p {
    margin-bottom: var(--space-2);
    line-height: 1.7;
}

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

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

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-family: 'Epilogue', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-light);
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-4);
}

.nav-links a {
    font-weight: 500;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-orange-accent);
    text-shadow: 0 0 10px var(--glow-orange);
}

.cta-button {
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
    color: white;
    padding: 12px var(--space-3);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--color-blue-300);
    white-space: nowrap;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-blue);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-text-light);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.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 Navigation Overlay */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(20px);
    z-index: 999;
    padding-top: 100px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    display: none;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    list-style: none;
    padding: var(--space-6) var(--space-4);
}

.mobile-nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--color-orange-accent);
    text-shadow: 0 0 20px var(--glow-orange);
}

.mobile-nav-cta {
    margin-top: var(--space-6);
    width: 80%;
    max-width: 300px;
    display: none;
}

/* Ensure mobile elements hidden on desktop */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .mobile-nav {
        display: none !important;
    }
    
    .mobile-nav-cta {
        display: none !important;
    }
}

/* ========================================
   SECTIONS
   ======================================== */

section {
    padding: var(--space-12) var(--space-4);
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Page Header */
.page-header {
    padding: 120px var(--space-4) var(--space-8);
    background: linear-gradient(135deg, var(--color-dark-bg) 0%, var(--color-dark-primary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, var(--color-blue-200) 0%, transparent 70%);
    pointer-events: none;
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.page-header h1 {
    background: linear-gradient(135deg, var(--color-text-light), var(--color-text-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--color-text-gray);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
    background: linear-gradient(135deg, var(--color-dark-bg) 0%, var(--color-dark-primary) 100%);
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, var(--color-blue-200) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    line-height: 1.1;
    margin-bottom: var(--space-3);
}

.hero-content .highlight {
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-gray);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-2);
    align-items: center;
}

.primary-cta {
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
    color: white;
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 6px 20px var(--color-blue-500);
    display: inline-block;
}

.primary-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--glow-blue);
}

.secondary-cta {
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--color-blue-300);
    border-radius: 50px;
    font-weight: 600;
}

.secondary-cta:hover {
    border-color: var(--color-orange-accent);
    color: var(--color-orange-accent);
    box-shadow: 0 0 20px var(--glow-orange);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-placeholder {
    width: 100%;
    max-width: 500px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-dark-card), var(--color-dark-primary));
    border-radius: 20px;
    border: 1px solid var(--color-blue-300);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, var(--color-blue-200) 50%, transparent 70%);
    animation: shimmer 9s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* ========================================
   CARDS & SECTIONS
   ======================================== */

.services,
.focus-areas-main,
.founder-section {
    padding: var(--space-12) var(--space-4);
    background: var(--color-dark-primary);
}

.tech-stack,
.mission-section,
.collaboration-approach {
    padding: var(--space-12) var(--space-4);
    background: var(--color-dark-bg);
    position: relative;
}

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

.section-title {
    font-family: 'Epilogue', sans-serif;
    font-weight: 700;
    margin-bottom: var(--space-2);
    background: linear-gradient(135deg, var(--color-text-light), var(--color-text-gray));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.service-card,
.contact-method,
.mission-card,
.focus-area-details {
    background: var(--color-dark-card);
    padding: var(--space-6);
    border-radius: 20px;
    border: 1px solid var(--color-blue-200);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover,
.contact-method:hover {
    transform: translateY(-5px);
    border-color: var(--color-orange-accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.services-grid,
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

/* ========================================
   FORMS
   ======================================== */

.contact-form {
    background: var(--color-dark-card);
    padding: var(--space-6);
    border-radius: 20px;
    border: 1px solid var(--color-blue-200);
    position: relative;
    overflow: hidden;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
}

.form-group {
    margin-bottom: var(--space-3);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.form-group label {
    display: block;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: var(--space-1);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-2);
    background: var(--color-dark-bg);
    border: 2px solid var(--color-blue-300);
    border-radius: 10px;
    color: var(--color-text-light);
    font-size: 1rem;
    font-family: 'Epilogue', sans-serif;
    transition: all 0.3s ease;
    min-height: 48px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23f8fafc' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: var(--space-6);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-orange-accent);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    background: linear-gradient(135deg, var(--color-blue-900), var(--color-orange-accent));
    color: white;
    padding: var(--space-2) var(--space-4);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 6px 20px var(--color-blue-500);
    width: 100%;
    min-height: 56px;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-blue);
}

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

footer {
    background: var(--color-dark-bg);
    padding: var(--space-6) var(--space-4) var(--space-2);
    border-top: 1px solid var(--color-blue-200);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.footer-links a {
    color: var(--color-text-gray);
}

.footer-links a:hover {
    color: var(--color-orange-accent);
}

.footer-bottom {
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-blue-200);
    color: var(--color-text-gray);
}

/* ========================================
   MOBILE RESPONSIVE
   ======================================== */

/* Tablet and below - 1024px */
@media (max-width: 1024px) {
    :root {
        --font-h1: 2.8rem;
        --font-h2: 2.2rem;
    }
    
    nav {
        padding: var(--space-2);
    }
    
    .hero-container {
        gap: var(--space-6);
    }
}

/* iPad Portrait and below - 768px */
@media (max-width: 768px) {
    :root {
        --font-h1: 2.5rem;
        --font-h2: 2rem;
        --font-h3: 1.75rem;
    }
    
    /* Hide desktop elements */
    .nav-links {
        display: none !important;
    }
    
    nav > .cta-button {
        display: none !important;
    }
    
    /* Show mobile hamburger toggle */
    .mobile-menu-toggle {
        display: flex !important;
    }
    
    /* Enable mobile nav functionality (but keep hidden until .active) */
    .mobile-nav {
        display: block !important;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }
    
    /* Only show when active class is added via JavaScript */
    .mobile-nav.active {
        display: block !important;
        opacity: 1;
        visibility: visible;
        pointer-events: all;
    }
    
    .mobile-nav-cta {
        display: inline-block !important;
    }
    
    /* Reduce nav padding on mobile */
    nav {
        padding: var(--space-2);
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    /* Add top padding to all sections to account for fixed header */
    section {
        padding-top: calc(var(--space-12) + 60px) !important;
    }
    
    section:first-of-type,
    .hero {
        padding-top: 100px !important;
    }
    
    /* Hero layout */
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-4);
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta a {
        width: 100%;
        text-align: center;
    }
    
    /* Services/Focus Areas grids */
    .services-grid,
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    /* Contact form */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* About page founder section */
    .founder-section .container > div:first-child {
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    
    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--space-2);
    }
}

/* Mobile - 480px and below */
@media (max-width: 480px) {
    :root {
        --font-h1: 2rem;
        --font-h2: 1.75rem;
        --font-h3: 1.5rem;
    }
    
    nav {
        padding: var(--space-2) var(--space-2);
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .cta-button {
        padding: 10px var(--space-2);
        font-size: 0.9rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .primary-cta {
        font-size: 1rem;
        padding: var(--space-2) var(--space-3);
    }
    
    .secondary-cta {
        font-size: 0.95rem;
        padding: var(--space-2) var(--space-3);
    }
}

/* Override inline styles for mobile - Services/About/Contact pages */
@media (max-width: 768px) {
    /* Force single column on all grid layouts with inline styles */
    [style*="grid-template-columns: 1fr 2fr"],
    [style*="grid-template-columns: 1fr 1fr"],
    [style*="grid-template-columns: repeat(auto-fit"] {
        grid-template-columns: 1fr !important;
        gap: var(--space-4) !important;
    }
    
    /* Contact page two-column layout */
    .contact-container {
        grid-template-columns: 1fr !important;
    }
    
    /* Stack all inline flex/grid layouts */
    [style*="display: grid"] {
        text-align: center !important;
    }
    
    /* Adjust margins for mobile */
    [style*="margin-bottom: 96px"] {
        margin-bottom: var(--space-8) !important;
    }
    
    [style*="margin-bottom: 64px"],
    [style*="margin-bottom: 48px"] {
        margin-bottom: var(--space-6) !important;
    }
    
    /* Prevent horizontal overflow */
    * {
        max-width: 100%;
    }
    
    img {
        max-width: 100%;
        height: auto;
    }
    
    /* Fix containers that might overflow */
    .hero-container,
    .services-container,
    .tech-stack .container,
    .contact-container {
        padding-left: var(--space-2);
        padding-right: var(--space-2);
    }
}