/* Pune AI Collective - Responsive Stylesheet
   Mobile-first approach with progressive enhancement
   Breakpoints: Mobile (320px+), Tablet (768px+), Desktop (1024px+), Large (1200px+)
*/

/* Base styles are mobile-first in styles.css */
/* This file contains media queries for larger screens */

/* Small mobile devices (320px and up) - Base styles handled in styles.css */

/* Large mobile devices and small tablets (480px and up) */
@media screen and (min-width: 30rem) {
    :root {
        --font-size-hero: 2.75rem;     /* Slightly larger hero text */
        --font-size-title: 2.25rem;    /* Larger section titles */
        --spacing-huge: 5rem;          /* More generous spacing */
    }
    
    .hero-title {
        font-size: var(--font-size-hero);
    }
    
    .section-title {
        font-size: var(--font-size-title);
    }
    
    .contact-links {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-xl);
    }
}

/* Tablets (768px and up) */
@media screen and (min-width: 48rem) {
    :root {
        --font-size-hero: 3.5rem;      /* Large hero text */
        --font-size-title: 2.5rem;     /* Large section titles */
        --spacing-huge: 6rem;          /* Even more generous spacing */
    }
    
    /* Navigation adjustments for tablet */
    .nav-container {
        padding: 0 var(--spacing-xxl);
    }
    
    .nav-menu {
        gap: var(--spacing-xxl);
    }
    
    /* Hero section adjustments */
    .hero-section {
        padding: var(--spacing-huge) var(--spacing-xxl);
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: var(--font-size-hero);
        margin-bottom: var(--spacing-xl);
    }
    
    /* Content sections */
    .content-section {
        padding: var(--spacing-huge) var(--spacing-xxl);
    }
    
    .section-container {
        max-width: 700px;
    }
    
    /* Mission and vision text - better typography for larger screens */
    .mission-text,
    .vision-text {
        font-size: var(--font-size-xl);
        line-height: 1.8;
    }
    
    /* Contact links - better spacing */
    .contact-links {
        gap: var(--spacing-xxl);
    }
    
    .contact-link {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: var(--font-size-large);
    }
    
    /* Footer adjustments */
    .footer-content {
        justify-content: space-between;
        text-align: left;
    }
    
    .footer-links {
        gap: var(--spacing-xl);
    }
}

/* Small desktops (1024px and up) */
@media screen and (min-width: 64rem) {
    :root {
        --font-size-hero: 4rem;        /* Maximum hero text size */
        --spacing-huge: 8rem;          /* Maximum spacing */
    }
    
    /* Navigation for desktop */
    .navbar {
        padding: var(--spacing-lg) 0;
    }
    
    .nav-container {
        padding: 0 var(--spacing-huge);
    }
    
    /* Hero section for desktop */
    .hero-section {
        padding: var(--spacing-huge);
        min-height: 80vh;
    }
    
    .hero-container {
        max-width: var(--content-max-width);
    }
    
    .hero-title {
        font-size: var(--font-size-hero);
        margin-bottom: var(--spacing-xxl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-xxl);
        margin-bottom: var(--spacing-xxl);
    }
    
    /* Content sections for desktop */
    .content-section {
        padding: var(--spacing-huge);
    }
    
    .section-container {
        max-width: var(--content-max-width);
    }
    
    .section-header {
        margin-bottom: var(--spacing-xxl);
    }
    
    /* Enhanced typography for desktop */
    .mission-text,
    .vision-text {
        font-size: var(--font-size-xl);
        line-height: 1.9;
        max-width: 650px;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Better contact section layout */
    .contact-text {
        font-size: var(--font-size-xl);
        max-width: 600px;
        margin: 0 auto var(--spacing-xxl);
    }
    
    /* Enhanced hover effects for desktop */
    .cta-button:hover,
    .cta-button:focus {
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        transform: translateY(-2px);
    }
    
    .contact-link:hover,
    .contact-link:focus {
        box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        transform: translateY(-3px);
    }
}

/* Large desktops (1200px and up) */
@media screen and (min-width: 75rem) {
    /* Container adjustments for very large screens */
    .nav-container,
    .footer-container {
        max-width: var(--container-max-width);
    }
    
    /* Prevent hero from getting too large */
    .hero-section {
        max-width: 1400px;
        margin: 0 auto;
    }
    
    /* Content sections with better max-width */
    .section-container {
        max-width: 900px;
    }
    
    .mission-text,
    .vision-text {
        max-width: 700px;
    }
}

/* Ultra-wide screens (1600px and up) */
@media screen and (min-width: 100rem) {
    /* Prevent content from stretching too wide */
    .hero-section {
        max-width: 1600px;
    }
    
    .content-section {
        max-width: 1600px;
        margin: 0 auto;
    }
}

/* Mobile-specific adjustments */
@media screen and (max-width: 47.9375rem) {
    /* Hide desktop navigation, show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
        z-index: calc(var(--z-navigation) + 1);
    }
    
    /* Mobile navigation menu */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--background-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--spacing-xxl);
        transform: translateX(-100%);
        transition: transform var(--transition-speed) var(--transition-timing);
        z-index: var(--z-navigation);
        border-right: 1px solid var(--border-color);
        overflow-y: auto;
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .nav-menu.is-open {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: var(--font-size-xl);
        font-weight: var(--font-weight-medium);
    }

    /* Mobile dropdown handling */
    .nav-item.has-dropdown {
        width: 100%;
        text-align: center;
    }

    .dropdown-menu {
        position: static;
        width: 100%;
        background-color: var(--accent-color);
        border: none;
        box-shadow: none;
        transform: none;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: all var(--transition-speed) var(--transition-timing);
        margin-top: var(--spacing-md);
    }

    .nav-item.has-dropdown.active .dropdown-menu,
    .nav-item.has-dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        max-height: 200px;
        padding: var(--spacing-md) 0;
    }

    .dropdown-link {
        justify-content: center;
        gap: var(--spacing-sm);
        font-size: var(--font-size-large);
        padding: var(--spacing-md);
    }
    
    /* Adjust social icons for mobile */
    .social-icons {
        position: fixed;
        bottom: var(--spacing-xxl);
        left: 50%;
        transform: translateX(-50%);
        z-index: calc(var(--z-navigation) + 1);
        background-color: var(--background-color);
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-speed) var(--transition-timing);
    }
    
    .nav-menu.is-open ~ .social-icons {
        opacity: 1;
        visibility: visible;
    }
    
    /* Mobile hamburger animation */
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    
    /* Mobile content adjustments */
    .hero-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
        min-height: 50vh;
    }
    
    .content-section {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }
    
    .section-container {
        max-width: none;
    }
    
    /* Mobile typography adjustments */
    .hero-title {
        font-size: 2.25rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-large);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .mission-text,
    .vision-text {
        font-size: var(--font-size-base);
        text-align: center;
    }
    
    /* Mobile meetup stats */
    .meetup-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .stat-item {
        width: 100%;
        max-width: 200px;
    }

    /* Mobile contact links */
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    
    .contact-link {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--spacing-lg);
    }
    
    /* Mobile footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-links {
        justify-content: center;
        gap: var(--spacing-md);
    }
}

/* High DPI / Retina displays */
@media screen and (-webkit-min-device-pixel-ratio: 2),
       screen and (min-resolution: 192dpi),
       screen and (min-resolution: 2dppx) {
    /* Enhanced font smoothing for high DPI displays */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    /* Remove transforms that might cause motion */
    .social-icon:hover,
    .social-icon:focus,
    .cta-button:hover,
    .cta-button:focus,
    .contact-link:hover,
    .contact-link:focus {
        transform: none;
    }
}

/* Dark mode support (if system preference) */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #ffffff;
        --secondary-color: #cccccc;
        --background-color: #1a1a1a;
        --accent-color: #2a2a2a;
        --border-color: #333333;
        --text-light: #888888;
    }
    
    .navbar {
        border-bottom-color: var(--border-color);
    }
    
    .skip-link {
        background: var(--background-color);
        color: var(--primary-color);
    }
    
    .site-footer {
        background-color: #000000;
    }
}

/* Print-specific responsive adjustments */
@media print {
    /* Ensure good print layout regardless of screen size */
    .hero-section,
    .content-section {
        padding: 1rem;
        max-width: none;
    }
    
    .nav-container,
    .section-container,
    .footer-container {
        max-width: none;
        padding: 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .mission-text,
    .vision-text {
        font-size: 1rem;
        line-height: 1.5;
    }
}