/* ================================================
   SPIRITS NETWORK - CSS STYLES
   Based on Nie Przelewki design system
   Colors: Dark theme with orange accent
   ================================================ */

/* -------------------- VARIABLES -------------------- */
:root {
    /* Colors - inspired by Nie Przelewki */
    --color-black: #050505;
    --color-white: #FAFAFA;
    --color-orange: #FF4500;
    --color-gray: #1A1A1A;
    --color-gray-light: #333333;
    --color-gray-text: #888888;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* -------------------- RESET & BASE -------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-gray-light);
    border-radius: var(--radius-sm);
}

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

/* -------------------- TYPOGRAPHY -------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

.accent {
    color: var(--color-orange);
}

/* -------------------- LAYOUT -------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-dark {
    background-color: var(--color-gray);
}

.section-cta {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray) 100%);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* -------------------- NAVIGATION -------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-light);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-link {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-orange);
}

.nav-link-cta {
    background-color: var(--color-orange);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.nav-link-cta:hover {
    background-color: #ff5a1f;
    color: var(--color-white);
}

.lang-switch {
    opacity: 0.6;
    font-size: 0.75rem;
}

.lang-switch:hover {
    opacity: 1;
}

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

.nav-mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition-normal);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-black);
    z-index: 99;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
}

.mobile-menu a:hover {
    color: var(--color-orange);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }
}

/* -------------------- HERO -------------------- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(70px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-text);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Network Graph Animation */
.network-graph {
    width: 400px;
    height: 400px;
    position: relative;
}

.node {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--color-orange);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.node::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, var(--color-orange), transparent);
    transform-origin: left center;
}

.node-1 { top: 20%; left: 30%; animation-delay: 0s; }
.node-1::before { transform: rotate(45deg); }

.node-2 { top: 40%; left: 60%; animation-delay: 0.3s; }
.node-2::before { transform: rotate(-30deg); }

.node-3 { top: 70%; left: 25%; animation-delay: 0.6s; }
.node-3::before { transform: rotate(15deg); }

.node-4 { top: 15%; left: 70%; animation-delay: 0.9s; }
.node-4::before { transform: rotate(120deg); }

.node-5 { top: 60%; left: 75%; animation-delay: 1.2s; }
.node-5::before { transform: rotate(-60deg); }

.node-6 { top: 85%; left: 55%; animation-delay: 1.5s; }
.node-6::before { transform: rotate(90deg); }

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

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

    .hero-content {
        max-width: 100%;
    }

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

    .hero-visual {
        display: none;
    }
}

/* -------------------- BUTTONS -------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--color-orange);
    border-color: var(--color-orange);
    color: var(--color-white);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-gray-light);
}

.btn-outline:hover {
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.btn-full {
    width: 100%;
}

/* -------------------- ABOUT SECTION -------------------- */
.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.about-card {
    background-color: rgba(26, 26, 26, 0.5);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-light);
    transition: all var(--transition-normal);
}

.about-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-5px);
}

.about-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-gray);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    color: var(--color-orange);
}

.about-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--color-gray-text);
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
}

/* -------------------- WHO SECTION -------------------- */
.who-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.who-card {
    padding: var(--spacing-lg);
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.who-card:hover {
    background-color: rgba(255, 69, 0, 0.1);
}

.who-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.who-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.who-card p {
    color: var(--color-gray-text);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .who-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* -------------------- HOW SECTION -------------------- */
.how-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    text-align: center;
}

.step-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-orange);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
}

.step h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.step p {
    color: var(--color-gray-text);
    font-size: 0.875rem;
}

.step-arrow {
    color: var(--color-gray-light);
    font-size: 2rem;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .step-arrow {
        display: none;
    }

    .how-steps {
        flex-direction: column;
        align-items: center;
    }

    .step {
        max-width: 100%;
    }
}

/* How Features */
.how-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-light);
}

.feature {
    text-align: center;
}

.feature h4 {
    font-size: 1rem;
    color: var(--color-orange);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
}

.feature p {
    color: var(--color-gray-text);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .how-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* -------------------- AUTH / JOIN SECTION -------------------- */
.auth-container,
.token-container,
.success-container,
.error-container {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.auth-description {
    color: var(--color-gray-text);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.input-field {
    width: 100%;
    padding: 16px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background-color: transparent;
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    transition: border-color var(--transition-fast);
}

.input-field:focus {
    outline: none;
    border-color: var(--color-orange);
}

.input-field::placeholder {
    color: var(--color-gray-text);
}

.auth-note {
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-gray-text);
}

/* Token Display */
.token-container h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.token-instruction {
    color: var(--color-gray-text);
    margin-bottom: var(--spacing-md);
}

.token-instruction code {
    background-color: var(--color-gray);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Consolas', monospace;
    color: var(--color-orange);
}

.token-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--color-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
}

.token-box code {
    flex: 1;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
    word-break: break-all;
    text-align: left;
    color: var(--color-white);
}

.btn-copy {
    background: none;
    border: none;
    color: var(--color-gray-text);
    cursor: pointer;
    padding: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.btn-copy:hover {
    color: var(--color-orange);
}

.token-copied {
    color: var(--color-orange);
    font-size: 0.875rem;
}

/* Success Message */
.success-container,
.error-container {
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
}

.success-icon,
.error-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
}

.success-icon {
    background-color: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.error-icon {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.success-container h3,
.error-container h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.success-container p,
.error-container p {
    color: var(--color-gray-text);
    margin-bottom: var(--spacing-md);
}

/* -------------------- FOOTER -------------------- */
.footer {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-gray-light);
    background-color: var(--color-black);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.footer-brand p {
    color: var(--color-gray-text);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-gray-text);
    transition: color var(--transition-fast);
}

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

.footer-legal {
    text-align: right;
}

.footer-legal p {
    font-size: 0.75rem;
    color: var(--color-gray-text);
}

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

    .footer-legal {
        text-align: center;
    }
}

/* -------------------- UTILITIES -------------------- */
.hidden {
    display: none !important;
}

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

/* -------------------- ANIMATIONS -------------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Loading spinner */
.loading {
    position: relative;
    color: transparent !important;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-gray-light);
    border-top-color: var(--color-orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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