/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Purple Theme Colors */
    --primary-purple: #7c3aed;
    --secondary-purple: #a78bfa;
    --dark-purple: #5b21b6;
    --light-purple: #ddd6fe;
    --extra-light-purple: #f5f3ff;

    /* Accent Colors */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-bg: #f9fafb;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(124, 58, 237, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(124, 58, 237, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(124, 58, 237, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo h1 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-purple);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-purple);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-purple);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--dark-purple) 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary-purple);
}

.btn-outline {
    background: transparent;
    color: var(--primary-purple);
    border-color: var(--primary-purple);
}

.btn-outline:hover {
    background: var(--primary-purple);
    color: var(--white);
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-purple);
    border-radius: 2px;
}

/* Vision Section */
.vision {
    padding: 100px 0;
    background: var(--gray-bg);
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1100px;
    margin: 0 auto;
}

.vision-problem,
.vision-solution {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.vision-problem h3,
.vision-solution h3 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.vision-problem ul {
    list-style: none;
    margin: 1.5rem 0;
}

.vision-problem li {
    padding: 0.8rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.vision-problem li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-size: 1.5rem;
    font-weight: bold;
}

.highlight {
    background: var(--extra-light-purple);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-purple);
    margin-top: 1.5rem;
}

/* Problem Section */
.problem-section {
    padding: 100px 0;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.problem-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--light-purple);
}

.problem-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-purple);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    color: var(--primary-purple);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.problem-card p {
    color: var(--text-light);
}

.problem-solution {
    text-align: center;
    font-size: 1.3rem;
    color: var(--primary-purple);
    font-weight: 600;
    padding: 2rem;
    background: var(--extra-light-purple);
    border-radius: 12px;
}

/* What We Do Section */
.what-we-do {
    padding: 100px 0;
    background: var(--gray-bg);
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.action-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.action-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.action-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.action-card h3 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.action-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.action-card ul {
    list-style: none;
}

.action-card li {
    padding: 0.6rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.action-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
}

/* Global Nodes Section */
.global-nodes {
    padding: 100px 0;
}

.nodes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.node-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.node-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-purple);
}

.node-flag {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.node-card h3 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.node-venue {
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.node-card p {
    color: var(--text-light);
}

/* Goals Section */
.goals-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--dark-purple) 100%);
    color: var(--white);
}

.goals-section .section-title {
    color: var(--white);
}

.goals-section .section-title::after {
    background: var(--white);
}

.goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.goal-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.goal-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-10px);
}

.goal-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.goal-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.goal-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.goals-note {
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
    opacity: 0.95;
}

/* Join Section */
.join-section {
    padding: 100px 0;
    background: var(--gray-bg);
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.persona-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 2px solid var(--light-purple);
}

.persona-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-purple);
}

.persona-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.persona-card p {
    color: var(--text-dark);
    font-weight: 500;
}

.join-cta {
    background: var(--white);
    padding: 4rem;
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    text-align: center;
}

.join-cta h3 {
    color: var(--primary-purple);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.join-cta > p {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.companies-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.companies-list span {
    background: var(--extra-light-purple);
    color: var(--primary-purple);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.join-note {
    font-size: 1.2rem;
    color: var(--text-dark);
}

/* Contact Section */
.contact {
    padding: 100px 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-main {
    background: var(--extra-light-purple);
    padding: 3rem;
    border-radius: 12px;
}

.contact-main h3 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.contact-main p {
    color: var(--text-dark);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.qr-placeholder {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 2rem;
    border: 2px dashed var(--primary-purple);
}

.qr-placeholder p {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.qr-id {
    font-size: 1.5rem !important;
    font-weight: 700;
    color: var(--primary-purple) !important;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.info-item {
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    border-left: 4px solid var(--primary-purple);
    box-shadow: var(--shadow-sm);
}

.info-item h4 {
    color: var(--primary-purple);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--dark-purple);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .vision-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .problems-grid,
    .actions-grid,
    .nodes-grid,
    .goals-grid,
    .personas-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .join-cta {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .vision-problem,
    .vision-solution,
    .action-card,
    .node-card,
    .goal-card {
        padding: 1.5rem;
    }

    .companies-list {
        gap: 0.5rem;
    }

    .companies-list span {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
}