/* ========================================
   Seeder - Founders Community Website
   Modern Dark Tech Style - Green Theme
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0b;
    --color-bg-elevated: #111113;
    --color-bg-card: #161618;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);

    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.6);
    --color-text-tertiary: rgba(255, 255, 255, 0.4);

    /* Premium Green Theme Colors - Luxury Forest Green */
    --color-accent: #2ecc71;
    --color-accent-light: #58d68d;
    --color-accent-glow: rgba(46, 204, 113, 0.25);

    --color-gradient-1: #2ecc71;
    --color-gradient-2: #27ae60;
    --color-gradient-3: #1e8449;

    /* Typography */
    --font-primary: 'Space Grotesk', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index */
    --z-nav: 100;
    --z-modal: 200;
    --z-cursor: 300;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ========================================
   Custom Cursor
   ======================================== */
.cursor-follower {
    position: fixed;
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.cursor-follower.active {
    opacity: 1;
}

.cursor-follower.hover {
    width: 50px;
    height: 50px;
    background-color: var(--color-accent-glow);
    border-color: transparent;
}

@media (max-width: 1024px) {
    .cursor-follower {
        display: none;
    }
}

/* ========================================
   Navigation
   ======================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    padding: var(--spacing-md) 0;
    background: transparent;
    transition: background var(--transition-base), padding var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text);
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

/* Logo ring animations - inner faster, outer slower */
.logo-ring-1 {
    transform-origin: center;
    animation: logoRotate 6s linear infinite;
}

.logo-ring-2 {
    transform-origin: center;
    animation: logoRotate 10s linear infinite reverse;
}

.logo-ring-3 {
    transform-origin: center;
    animation: logoRotate 16s linear infinite;
}

.logo-ring-4 {
    transform-origin: center;
    animation: logoRotate 24s linear infinite reverse;
}

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

.logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.2em;
}

/* Nav Right */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: border-color var(--transition-fast);
}

.lang-toggle:hover {
    border-color: var(--color-border-hover);
}

.lang-option {
    transition: color var(--transition-fast);
    cursor: pointer;
}

.lang-option.active {
    color: var(--color-text);
}

.lang-divider {
    opacity: 0.3;
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 6px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:first-child {
    transform: translateY(4px) rotate(45deg);
}

.menu-toggle.active span:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: calc(var(--z-nav) - 1);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}


/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-4xl) 0;
    overflow: hidden;
}

/* Particle Canvas */
.particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Hero Background */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-gradient-1);
    top: -200px;
    right: -200px;
    opacity: 0.12;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-gradient-3);
    bottom: -100px;
    left: -100px;
    opacity: 0.08;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: center;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
}

.label-line {
    display: block;
    width: 30px;
    height: 1px;
    background: var(--color-accent);
}

.label-line:first-child {
    background: linear-gradient(90deg, transparent, var(--color-accent));
}

.label-line:last-child {
    background: linear-gradient(90deg, var(--color-accent), transparent);
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Static title line - white color */
.title-static {
    color: var(--color-text);
    -webkit-text-fill-color: var(--color-text);
}

.title-line:nth-child(2) {
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2), var(--color-gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Rotating Text Animation */
.title-rotating {
    position: relative;
    display: block;
    height: 1.2em;
    overflow: hidden;
}

.rotating-text-wrapper {
    position: relative;
    display: block;
    height: 100%;
}

.rotating-text {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.5s ease, transform 0.5s ease;
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2), var(--color-gradient-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.rotating-text.active {
    opacity: 1;
    transform: translateY(0);
}

.rotating-text.exit {
    opacity: 0;
    transform: translateY(-100%);
}

.hero-desc {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2));
    color: var(--color-text);
    box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-accent-glow);
}

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

.btn-secondary:hover {
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.03);
}

.btn-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9375rem;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

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

/* ========================================
   Section Styles
   ======================================== */
.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.section-number {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

/* ========================================
   About Section
   ======================================== */
.about-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-main {
    max-width: 800px;
    text-align: center;
}

/* Centered header for about section */
.about .section-header {
    justify-content: center;
}

.about-lead {
    font-size: 1.5rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 900px;
}

/* Isadora-inspired value items */
.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.value-item:first-child {
    border-top: 1px solid var(--color-border);
}

.value-item:hover {
    padding-left: var(--spacing-md);
}

.value-item:hover .value-decorator {
    transform: rotate(90deg);
    color: var(--color-accent);
}

.value-item:hover h3 {
    color: var(--color-accent);
}

.value-decorator {
    font-size: 1.25rem;
    color: var(--color-accent);
    flex-shrink: 0;
    transition: all var(--transition-base);
    margin-top: 0.2em;
}

.value-content {
    flex: 1;
}

.value-content h3 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-base);
    letter-spacing: -0.01em;
}

.value-content p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 500px;
}

@media (max-width: 768px) {
    .value-item {
        padding: var(--spacing-lg) 0;
    }

    .value-content h3 {
        font-size: 1.25rem;
    }
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-main {
        position: static;
    }
}

/* ========================================
   Join Section
   ======================================== */
.join {
    background: var(--color-bg-elevated);
    overflow: hidden;
}

.join-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.join-content {
    max-width: 560px;
}

.join-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.join-criteria {
    margin-bottom: var(--spacing-xl);
}

.join-criteria h3 {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.join-criteria ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.join-criteria li {
    position: relative;
    padding-left: var(--spacing-md);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.join-criteria li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Join Visual - Globe */
.join-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.globe-container {
    position: relative;
    width: 100%;
    height: 100%;
}

#globeCanvas {
    width: 100%;
    height: 100%;
    cursor: grab;
}

#globeCanvas:active {
    cursor: grabbing;
}

/* Globe Tags */
.globe-tag {
    position: absolute;
    padding: 6px 12px;
    background: rgba(46, 204, 113, 0.15);
    border: 1px solid rgba(46, 204, 113, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-accent-light);
    white-space: nowrap;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    backdrop-filter: blur(4px);
}

.globe-tag::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -4px;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.6;
}

@media (max-width: 900px) {
    .join-wrapper {
        grid-template-columns: 1fr;
    }

    .join-visual {
        display: none;
    }
}

/* ========================================
   Footer - Simplified
   ======================================== */
.footer {
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-simple {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

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

.footer-brand-center .logo {
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.copyright {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.icp-link {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.icp-link:hover {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

/* ========================================
   Animations & Scroll Effects
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].visible {
    opacity: 1;
    transform: translateY(0);
}

/* Magnetic effect for buttons */
.magnetic {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Link underline animation */
.link-underline {
    position: relative;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.link-underline:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Glow effect */
.glow {
    position: relative;
}

.glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-gradient-1), var(--color-gradient-2), var(--color-gradient-3));
    border-radius: inherit;
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-base);
    filter: blur(10px);
}

.glow:hover::before {
    opacity: 0.5;
}

/* Text reveal animation */
@keyframes textReveal {
    from {
        clip-path: inset(0 100% 0 0);
    }
    to {
        clip-path: inset(0 0 0 0);
    }
}

.text-reveal {
    animation: textReveal 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Selection styling */
::selection {
    background: var(--color-accent);
    color: var(--color-text);
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--color-border-hover);
    border-radius: var(--radius-full);
}

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