/* ========================================
   Pattern Works LLC - Website Styles
   Aesthetic: Refined Technical Minimalism
   ======================================== */

:root {
    /* Colors - Dark sophisticated palette with warm accent */
    --color-bg: #0D0D0F;
    --color-bg-elevated: #151518;
    --color-bg-subtle: #1A1A1E;
    --color-surface: #222226;

    --color-text: #F5F5F4;
    --color-text-secondary: #A1A1A6;
    --color-text-muted: #6B6B70;

    --color-accent: #E07A5F;
    --color-accent-hover: #E8957D;
    --color-accent-subtle: rgba(224, 122, 95, 0.15);

    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'DM 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;
    --header-height: 80px;

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

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ========================================
   Grid Background
   ======================================== */

.grid-bg {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.4;
    pointer-events: none;
    z-index: -1;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 100;
    transition: background-color var(--transition-base),
                backdrop-filter var(--transition-base);
}

.header.scrolled {
    background-color: rgba(13, 13, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

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

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

.logo-mark {
    display: grid;
    grid-template-columns: repeat(2, 10px);
    gap: 3px;
}

.logo-mark.small {
    grid-template-columns: repeat(2, 8px);
    gap: 2px;
}

.logo-mark span {
    width: 10px;
    height: 10px;
    background-color: var(--color-accent);
    border-radius: 2px;
    transition: transform var(--transition-fast);
}

.logo-mark.small span {
    width: 8px;
    height: 8px;
}

.logo-mark span.faded {
    opacity: 0.35;
}

.logo:hover .logo-mark span:not(.faded) {
    transform: scale(1.1);
}

.logo-text {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    padding: 0.6rem 1.2rem;
    background-color: var(--color-surface);
    border-radius: 6px;
    color: var(--color-text) !important;
    transition: background-color var(--transition-fast),
                transform var(--transition-fast);
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.8rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(224, 122, 95, 0.3);
}

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

.btn-secondary:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
    background-color: var(--color-surface);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-xl);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
}

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

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

.hero-description {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

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

.hero-pattern {
    display: grid;
    grid-template-columns: repeat(3, 80px);
    gap: 12px;
    transform: rotate(-5deg);
}

.pattern-block {
    width: 80px;
    height: 80px;
    background-color: var(--color-surface);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base),
                background-color var(--transition-base);
}

.pattern-block.accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.hero-pattern:hover .pattern-block {
    transform: scale(0.95);
}

.hero-pattern:hover .pattern-block.accent {
    transform: scale(1.05);
}

/* ========================================
   Section Styling
   ======================================== */

.section-eyebrow {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: var(--space-3xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

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

.service-card {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--space-lg);
    transition: transform var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-strong);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent-subtle);
    border-radius: 12px;
    margin-bottom: var(--space-md);
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent);
}

.service-card h3 {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.65;
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: var(--space-3xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-content {
    opacity: 0;
    transform: translateY(20px);
}

.about-content.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-text {
    margin-bottom: var(--space-xl);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.value {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-bg-elevated);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: border-color var(--transition-fast);
}

.value:hover {
    border-color: var(--color-accent);
}

.value-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-accent);
    min-width: 40px;
}

.value-text {
    font-size: 1rem;
    font-weight: 500;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.visual-blocks {
    display: grid;
    grid-template-columns: repeat(2, 100px);
    gap: 16px;
    transform: rotate(5deg);
}

.v-block {
    width: 100px;
    height: 100px;
    background-color: var(--color-surface);
    border-radius: 16px;
    border: 1px solid var(--color-border);
}

.v-block.accent {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    padding: var(--space-3xl) var(--space-lg);
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, var(--color-bg-subtle) 100%);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
}

.contact-content.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-email {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: transform var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base);
}

.contact-email:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 20px 60px rgba(224, 122, 95, 0.15);
}

.email-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.email-address {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-accent);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: var(--space-2xl) var(--space-lg) var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
}

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

.footer-tagline {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: calc(var(--header-height) + var(--space-2xl));
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-pattern {
        grid-template-columns: repeat(3, 60px);
        gap: 8px;
        transform: rotate(-5deg) scale(0.9);
    }

    .pattern-block {
        width: 60px;
        height: 60px;
    }

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

    .about-visual {
        display: none;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-lg);
    }
}

@media (max-width: 600px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-pattern {
        grid-template-columns: repeat(3, 50px);
    }

    .pattern-block {
        width: 50px;
        height: 50px;
        border-radius: 8px;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .email-address {
        font-size: 1.1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 0.8s ease forwards;
}

.hero-visual {
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

/* Stagger service cards */
.service-card:nth-child(1) { transition-delay: 0s; }
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }

/* ========================================
   Selection & Focus States
   ======================================== */

::selection {
    background-color: var(--color-accent);
    color: white;
}

:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-surface);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}