/* ============================================
   BOLDER.AI - Custom Theme
   Architectural Precision Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
    /* Color Palette - Warm Cream & Cobalt + Terracotta */
    --color-bg: #FAF6F1;
    --color-bg-alt: #F0EAE2;
    --color-bg-elevated: #FFFFFF;
    --color-text: #1E1E24;
    --color-text-muted: #4A4A52;
    --color-text-subtle: #7A7A84;
    --color-accent: #2B5396;
    --color-accent-light: #3A68B2;
    --color-accent-dark: #1E3D6E;
    --color-secondary: #C54B2A;
    --color-border: #DDD6CC;
    --color-border-subtle: #EBE6DE;

    /* Typography */
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Pico CSS Overrides */
    --pico-font-family: var(--font-body);
    --pico-font-size: 100%;
    --pico-line-height: 1.6;
    --pico-background-color: var(--color-bg);
    --pico-color: var(--color-text);
    --pico-primary: var(--color-accent);
    --pico-primary-hover: var(--color-accent-light);
}

/* --- Base Resets --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    margin: 0 0 var(--space-sm);
    color: var(--color-text);
}

p {
    margin: 0 0 var(--space-sm);
    color: var(--color-text-muted);
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-light);
}

/* --- Navigation --- */
nav.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    height: var(--nav-height);
    display: block;
    padding: 0;
    margin: 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.85rem;
    color: var(--color-text);
    text-decoration: none;
    display: flex;
    align-items: baseline;
    flex-shrink: 0;
}

.logo:hover {
    color: var(--color-text);
}

.logo-text {
    font-weight: 400;
}

.logo-dot {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.3em;
    line-height: 0;
}

ul.nav-links {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
}

ul.nav-links li {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--color-text);
    color: var(--color-bg) !important;
    padding: var(--space-xs) var(--space-md) !important;
    border-radius: 4px;
    font-weight: 500;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-accent) !important;
    color: white !important;
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    width: 48px;
    height: 48px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    z-index: 1001;
    position: relative;
}

.menu-bar {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-base), opacity var(--transition-base);
    transform-origin: center;
}

@media (max-width: 768px) {
    .nav-container {
        justify-content: center !important;
    }

    .logo {
        position: relative;
        z-index: 1002;
    }

    .mobile-menu-toggle {
        display: flex;
        position: absolute;
        right: var(--space-lg);
    }

    ul.nav-links {
        position: fixed !important;
        top: var(--nav-height) !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: calc(100vh - var(--nav-height)) !important;
        height: calc(100dvh - var(--nav-height)) !important;
        background: var(--color-bg) !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: var(--space-2xl) !important;
        gap: var(--space-xl) !important;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity var(--transition-slow), visibility var(--transition-slow);
        z-index: 999;
    }

    ul.nav-links.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    ul.nav-links li {
        display: block;
        width: 100%;
        text-align: center;
    }

    ul.nav-links a {
        font-family: var(--font-display);
        font-size: 2rem !important;
        padding: var(--space-md) var(--space-lg) !important;
        display: block;
        width: 100%;
        color: var(--color-text);
    }

    ul.nav-links a::after {
        display: none;
    }

    .nav-cta {
        width: auto !important;
        padding: var(--space-md) var(--space-xl) !important;
        font-size: 1.25rem !important;
        font-family: var(--font-body) !important;
        margin-top: var(--space-lg);
    }

    /* Hamburger animation when open */
    .mobile-menu-toggle[aria-expanded="true"] .menu-bar:first-child {
        transform: rotate(45deg) translateY(4.5px);
    }

    .mobile-menu-toggle[aria-expanded="true"] .menu-bar:last-child {
        transform: rotate(-45deg) translateY(-4.5px);
    }
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-lg) var(--space-2xl);
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--color-border-subtle) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-border-subtle) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 70%);
}

.hero-content {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    background: rgba(43, 83, 150, 0.08);
    padding: var(--space-xs) var(--space-md);
    border-radius: 2px;
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    max-width: 800px;
}

.hero-accent {
    color: var(--color-accent);
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 4px;
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--color-accent-light);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(43, 83, 150, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-text);
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
    margin-top: var(--space-xs);
}

@media (max-width: 640px) {
    .hero-stats {
        gap: var(--space-lg);
    }

    .stat-number {
        font-size: 1.75rem;
    }
}

/* --- Section Base Styles --- */
section {
    padding: var(--space-3xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.section-number {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin: 0;
}

/* --- Services Section --- */
.services {
    background: var(--color-bg);
}

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

.service-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    padding: var(--space-lg);
    border-radius: 4px;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    border-color: var(--color-border);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(43, 83, 150, 0.06);
    border-radius: 4px;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.service-card h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* --- Work/Projects Section --- */
.work {
    background: var(--color-bg-alt);
    max-width: none;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
}

.work .section-header,
.work .projects-grid {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.work-filters {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    padding: var(--space-xs) var(--space-md);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    padding: var(--space-lg);
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.project-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(43, 83, 150, 0.06);
    border-radius: 4px;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.project-meta {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.project-industry,
.project-cloud {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 2px;
}

.project-industry {
    background: rgba(43, 83, 150, 0.08);
    color: var(--color-accent);
}

.project-cloud {
    background: var(--color-bg-alt);
    color: var(--color-text-muted);
}

.project-title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.project-description {
    font-size: 0.95rem;
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: var(--space-md);
}

ul.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    list-style: none !important;
    padding: 0 !important;
    padding-left: 0 !important;
    margin: 0 0 var(--space-md);
}

ul.project-tech li {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-subtle);
    background: var(--color-bg);
    padding: 4px 10px;
    border-radius: 2px;
    border: 1px solid var(--color-border-subtle);
    list-style: none !important;
}

ul.project-tech li::before {
    content: none !important;
    display: none !important;
}

.project-outcome {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border-subtle);
}

.outcome-metric {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-accent);
    line-height: 1;
}

.outcome-label {
    font-size: 0.85rem;
    color: var(--color-text-subtle);
}

@media (max-width: 480px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Approach Section --- */
.approach {
    background: var(--color-bg);
}

.approach-content {
    display: grid;
    gap: var(--space-2xl);
}

.approach-philosophy {
    max-width: 800px;
}

.philosophy-quote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-style: italic;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0;
    padding: 0 0 0 var(--space-lg);
    border: none;
    position: relative;
}

.philosophy-quote::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-accent);
}

.approach-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.pillar {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
}

.pillar-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: var(--space-sm);
}

.pillar h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.pillar p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* --- Contact Section --- */
.contact {
    background: var(--color-text);
    color: var(--color-bg);
    max-width: none;
    padding: var(--space-3xl) var(--space-lg);
}

.contact-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.contact .section-number {
    color: rgba(250, 246, 241, 0.5);
}

.contact .section-title {
    color: var(--color-bg);
    margin-bottom: var(--space-md);
}

.contact-intro {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(250, 246, 241, 0.7);
    margin: 0;
}

.contact-details {
    text-align: right;
}

.contact-email {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--color-bg);
    text-decoration: none;
    display: inline-block;
    position: relative;
    transition: color var(--transition-fast);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.contact-email:hover {
    color: var(--color-accent-light);
}

.contact-email:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-note {
    font-size: 0.9rem;
    color: rgba(250, 246, 241, 0.5);
    margin-top: var(--space-sm);
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }

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

/* --- Footer --- */
.site-footer {
    background: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-xl) var(--space-lg);
    border-top: 1px solid rgba(250, 246, 241, 0.1);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.footer-brand .logo-text,
.footer-brand .logo-dot {
    font-family: var(--font-display);
    font-size: 1.25rem;
}

.footer-brand .logo-text {
    color: var(--color-bg);
}

.footer-tagline {
    font-size: 0.85rem;
    color: rgba(250, 246, 241, 0.5);
    margin: 0;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(250, 246, 241, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-legal p {
    font-size: 0.8rem;
    color: rgba(250, 246, 241, 0.4);
    margin: 0;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-brand {
        flex-direction: column;
        gap: var(--space-xs);
    }

    .footer-links {
        gap: var(--space-md);
    }
}

/* --- Smooth Reveal Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge,
.hero-title,
.hero-subtitle,
.hero-actions,
.hero-stats {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-badge { animation-delay: 0.1s; opacity: 0; }
.hero-title { animation-delay: 0.2s; opacity: 0; }
.hero-subtitle { animation-delay: 0.3s; opacity: 0; }
.hero-actions { animation-delay: 0.4s; opacity: 0; }
.hero-stats { animation-delay: 0.5s; opacity: 0; }

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