/* Innovation Lab - Main Stylesheet */

/* Custom Properties */
:root {
    --primary-color: #FF6B6B;
    --primary-dark: #FF5252;
    --primary-light: #FF8585;
    --secondary-color: #4ECDC4;
    --accent-color: #FFE66D;
    
    --background: #ffffff;
    --surface: #F8F9FA;
    --surface-2: #E9ECEF;
    
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-tertiary: #6C757D;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --border-radius: 0.5rem;
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 5rem 0;
}

/* Header and Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    padding: 0 1.5rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
}

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

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

.cta-button {
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white !important;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding-top: 80px;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

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

.hero-text {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Programs Section */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.program-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.program-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.program-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.program-content {
    padding: 2rem;
}

.feature-list {
    list-style: none;
    margin: 1rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.feature-list li::before {
    content: '✓';
    color: var(--primary-color);
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
    background: var(--surface);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
}

/* Startups Section */
.startups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.startup-card {
    background: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.startup-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.startup-content {
    padding: 2rem;
}

.startup-stats {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
}

.startup-stats span {
    background: var(--surface-2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Mentors Section */
.mentors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.mentor-card {
    text-align: center;
    background: var(--surface);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.mentor-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 2rem auto;
}

.mentor-content {
    padding: 0 2rem 2rem;
}

.mentor-role {
    display: block;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.mentor-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface-2);
    border-radius: 50%;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.social-icon {
    width: 20px;
    height: 20px;
}

/* Events Section */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.event-card {
    display: flex;
    gap: 1.5rem;
    background: var(--surface);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: var(--transition);
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.event-date {
    text-align: center;
    min-width: 80px;
}

.event-date .date {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.event-date .month {
    color: var(--text-secondary);
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin: 1rem 0;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.register-btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.register-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-icon {
    width: 24px;
    height: 24px;
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

label {
    font-weight: 500;
    color: var(--text-secondary);
}

input,
select,
textarea {
    padding: 0.75rem;
    border: 1px solid var(--surface-2);
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.1);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Footer */
.main-footer {
    background-color: var(--surface);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--surface-2);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.newsletter {
    margin-top: 2rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--surface-2);
    border-radius: var(--border-radius);
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--surface-2);
    color: var(--text-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 6px;
        cursor: pointer;
    }

    .nav-toggle span {
        width: 25px;
        height: 2px;
        background-color: var(--text-primary);
        transition: var(--transition);
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--background);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

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

    .event-card {
        flex-direction: column;
        text-align: center;
    }

    .event-date {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.5rem;
    }

    section {
        padding: 3rem 0;
    }

    .container {
        padding: 0 1rem;
    }

    .newsletter-form {
        flex-direction: column;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}