/* ============================================
   InverQ — Quiet Confidence Design System
   ============================================ */

/* CSS Variables */
:root {
    /* Brand Colors - From ArrendaQ */
    --primary: #33C5FF;
    --primary-dim: rgba(51, 197, 255, 0.15);
    --primary-glow: rgba(51, 197, 255, 0.4);
    --success: #3FCA90;
    --warning: #EDCB50;
    --danger: #ED5050;

    /* Dark Theme Base */
    --bg-primary: #0A0D10;
    --bg-secondary: #121519;
    --bg-tertiary: #1A1E24;
    --bg-elevated: #22272E;

    /* Text Colors */
    --text-primary: #F6F9FC;
    --text-secondary: rgba(246, 249, 252, 0.7);
    --text-tertiary: rgba(246, 249, 252, 0.5);
    --text-muted: rgba(246, 249, 252, 0.35);

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-medium: rgba(255, 255, 255, 0.12);
    --border-strong: rgba(255, 255, 255, 0.2);

    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, 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;

    /* Timing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

    /* Layout */
    --max-width: 1400px;
    --nav-height: 80px;
}

/* 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-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

/* Grain Texture Overlay */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.1;
    color: var(--text-primary);
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: 100;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
}

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

.logo-img {
    height: 32px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--primary);
}

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

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    transition: color 0.3s var(--ease-out);
}

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

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

.hero-content {
    padding-right: var(--space-xl);
}

.hero-tag {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 400;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.35s forwards;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 440px;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.5s forwards;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-medium);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    transition: all 0.4s var(--ease-out);
    opacity: 0;
    animation: fadeUp 0.8s var(--ease-out) 0.65s forwards;
}

.hero-cta:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--primary-dim);
}

.hero-cta svg {
    transition: transform 0.4s var(--ease-out);
}

.hero-cta:hover svg {
    transform: translate(3px, -3px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 1s var(--ease-out) 0.8s forwards;
}

.hero-graphic {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.graphic-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
}

.graphic-ring-1 {
    width: 100%;
    height: 100%;
    animation: rotate 60s linear infinite;
}

.graphic-ring-2 {
    width: 75%;
    height: 75%;
    border-color: var(--primary-dim);
    animation: rotate 45s linear infinite reverse;
}

.graphic-ring-3 {
    width: 50%;
    height: 50%;
    animation: rotate 30s linear infinite;
}

.graphic-center {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-dim) 0%, transparent 100%);
    border: 1px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 80px var(--primary-dim);
    overflow: hidden;
}

.graphic-center .q-icon {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.graphic-center span {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    color: var(--primary);
}

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

.section-header {
    max-width: 600px;
    margin-bottom: var(--space-2xl);
}

.section-tag {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

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

.section-desc {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ============================================
   Utilities Section
   ============================================ */
.utilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-md);
}

.utility-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    transition: all 0.4s var(--ease-out);
    overflow: hidden;
}

.utility-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.4s var(--ease-out);
}

.utility-card-featured:hover {
    border-color: var(--border-medium);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.utility-card-featured:hover::before {
    opacity: 1;
}

.utility-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-dim);
    border-radius: 12px;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.utility-content {
    flex: 1;
}

.utility-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-sm);
}

.utility-desc {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.utility-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.utility-features span {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.utility-arrow {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: var(--text-muted);
    transition: all 0.4s var(--ease-out);
}

.utility-card-featured:hover .utility-arrow {
    color: var(--primary);
    transform: translate(4px, -4px);
}

/* Coming Soon Card */
.utility-card-coming {
    border-style: dashed;
    opacity: 0.6;
}

.coming-badge {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* ============================================
   Resources Section
   ============================================ */
.section-resources {
    background: var(--bg-secondary);
    border-radius: 32px;
    margin: var(--space-2xl) var(--space-lg);
    padding: var(--space-2xl);
    max-width: calc(var(--max-width) - var(--space-lg) * 2);
}

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

.resource-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    transition: all 0.4s var(--ease-out);
    min-height: 200px;
}

.resource-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-2px);
}

.resource-category {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.resource-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: auto;
    transition: color 0.3s var(--ease-out);
}

.resource-card:hover .resource-title {
    color: var(--primary);
}

.resource-source {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-subtle);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact-intro {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.contact-value {
    font-size: 1rem;
    color: var(--text-primary);
}

.contact-link {
    transition: color 0.3s var(--ease-out);
}

.contact-link:hover {
    color: var(--primary);
}

/* Contact Visual */
.contact-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-map {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.contact-map iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(100%) invert(92%) contrast(90%);
    transition: filter 0.4s var(--ease-out);
}

.contact-map:hover iframe {
    filter: grayscale(50%) invert(92%) contrast(90%);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-2xl) var(--space-lg);
    margin-top: var(--space-3xl);
}

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

.footer-logo {
    height: 28px;
    width: auto;
}

.footer-tagline {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 4px;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    transition: color 0.3s var(--ease-out);
}

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

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-subtle);
    border-radius: 50%;
    color: var(--text-tertiary);
    transition: all 0.3s var(--ease-out);
}

.footer-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: calc(var(--nav-height) + var(--space-xl));
    }

    .hero-content {
        padding-right: 0;
    }

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

    .hero-visual {
        order: -1;
        margin-bottom: var(--space-lg);
    }

    .hero-graphic {
        width: 280px;
        height: 280px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    .nav-links {
        display: none;
    }

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

    .section-resources {
        margin-left: var(--space-sm);
        margin-right: var(--space-sm);
        padding: var(--space-lg);
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Loading States
   ============================================ */
.resources-grid.loading {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}