/* ==========================================================================
   MRU English Honours Conference 2024
   Main Stylesheet
   ========================================================================== */

/* Custom Properties
   ========================================================================== */

   @import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,770;1,770&family=Space+Grotesk:wght@300..700&display=swap');

   :root {
    /* Color Palette */
    --color-raisin-black: #231b26;
    --color-paynes-gray: #546680;
    --color-raw-umber: #945738;
    --color-lion: #c09253;
    --color-seasalt: #f9fafa;
    
    /* Typography */
    --font-body: 'EB Garamond';
    --font-heading: 'Space Grotesk';
    
    /* Spacing Scale */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 2rem;      /* 32px */
    --spacing-xl: 4rem;      /* 64px */
    
    /* Container Widths */
    --container-width-wide: 1400px;    /* Default wide container */
    --container-width-normal: 1200px;  /* Standard container */
    --container-width-narrow: 900px;   /* Narrow container for better reading */
    --container-width-schedule: 800px; /* Extra narrow for schedule */
    --container-padding: clamp(1rem, 5vw, 4rem);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    
    /* Z-index Scale */
    --z-index-nav: 1000;
    --z-index-modal: 2000;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-raisin-black);
    background-color: var(--color-seasalt);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img:not(.hero-background) {
  filter: grayscale(100%);
  transition: filter var(--transition-normal);
}

img:not(.hero-background):hover,
img:not(.hero-background).color {
  filter: grayscale(0%);
}

.link {
  color: white;
}

/* Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
}

p { margin-bottom: var(--spacing-md); }

/* Layout
   ========================================================================== */
.container {
    width: min(var(--container-width-wide), 100% - 2 * var(--container-padding));
    margin-inline: auto;
    padding: 0 var(--container-padding);
}

.container-narrow {
    width: min(var(--container-width-narrow), 100% - 2 * var(--container-padding));
    margin-inline: auto;
    padding: 0 var(--container-padding);
}

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

@media (min-width: 1024px) {
  .about-section {
      text-align: justify;
      font-size: 1.1rem;
  }
}

/* Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-raisin-black);
    padding: var(--spacing-md) 0;
    z-index: var(--z-index-nav);
    transition: background-color var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(35, 27, 38, 0.95);
    backdrop-filter: blur(5px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-brand {
    margin-right: var(--spacing-lg);
    z-index: var(--z-index-nav);
}

.brand-text {
    color: var(--color-seasalt);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: var(--font-heading);
    opacity: 0.9;
    white-space: nowrap;
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: var(--z-index-nav);
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-seasalt);
    position: relative;
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-seasalt);
    transition: transform var(--transition-fast);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-menu-button.active .hamburger {
    background-color: transparent;
}

.mobile-menu-button.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-button.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-seasalt);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color var(--transition-fast);
    font-family: var(--font-heading);
}

.nav-links a:hover {
    color: var(--color-lion);
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0;
    }
    
    .mobile-menu-button {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        max-width: 300px;
        flex-direction: column;
        background-color: var(--color-raisin-black);
        padding: calc(var(--spacing-xl) * 2) var(--spacing-lg) var(--spacing-lg);
        transition: right var(--transition-normal);
        gap: var(--spacing-lg);
    }
    
    .nav-links.active {
        right: 0;
        box-shadow: -4px 0 8px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links a {
        display: block;
        padding: var(--spacing-sm) 0;
        font-size: 1.1rem;
    }
    
    .brand-text {
        font-size: 0.8rem;
        max-width: 200px;
        line-height: 1.2;
    }
}

/* Hero Section
   ========================================================================== */
   .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    color: var(--color-seasalt);
    background-color: var(--color-raisin-black);
    background-image: url('../images/hero/hero.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin-top: 0;
    padding: var(--spacing-xl) 0;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(35, 27, 38, 0.5),  /* Reduced from 0.85 */
        rgba(84, 102, 128, 0.5)  /* Reduced from 0.85 */
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
    font-size: 4rem;
    line-height: 1.1;
}

.hero h2 {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: normal;
}

.hero h3 {
    font-family: var(--font-body);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    font-weight: normal;
}

.hero p {
    font-size: 1.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero h3 {
        font-size: 1.5rem;
    }
    
    .hero p {
        font-size: 1.25rem;
    }
}
/* Description Section
   ========================================================================== */
.description-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (min-width: 1024px) {
    .description-section {
        grid-template-columns: 5fr 4fr;
        gap: var(--spacing-xl) calc(var(--spacing-xl) * 2);
    }
}

.content-section {
    max-width: 75ch;
    font-size: 1.25rem;
    line-height: 1.7;
}

/* Schedule
   ========================================================================== */
.schedule-container {
    background-color: var(--color-seasalt);
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.schedule-section {
    position: relative;
    padding-left: var(--spacing-lg);
}

@media (min-width: 1024px) {
    .schedule-container {
        position: sticky;
        top: var(--spacing-xl);
    }
}

.schedule-section::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--color-raw-umber);
    border-radius: 2px;
}

.schedule-item {
    position: relative;
    padding: var(--spacing-md);
    background-color: white;
    margin-bottom: var(--spacing-md);
    border-radius: 8px;
    transition: transform var(--transition-normal);
}

.schedule-time {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    color: var(--color-paynes-gray);
    margin-bottom: var(--spacing-xs);
}

.schedule-event {
    margin-bottom: var(--spacing-sm);
}

.schedule-event:last-child {
    margin-bottom: 0;
}

.schedule-event-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-raisin-black);
}

.schedule-speaker {
    font-family: var(--font-body);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.schedule-speaker-title {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--color-paynes-gray);
}

.speaker-name {
  font-weight: bold;
}

.speaker-title {
  font-weight: italic;
}

/* Location Section
   ========================================================================== */
.location-section {
    text-align: left;
    max-width: var(--container-width-narrow);
    margin: 0 auto;
}

.location-heading {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.location-details {
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
}

.venue-name {
    font-family: var(--font-body);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.venue-room {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.venue-building {
    font-family: var(--font-body);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.venue-address {
    font-family: var(--font-body);
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: var(--spacing-xl);
    max-width: 25ch;
}

/* Speakers Grid
   ========================================================================== */
.speakers-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin: 0 auto;
}

@media (min-width: 640px) {
    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .speakers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.speaker-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-normal);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.speaker-card:hover {
    transform: translateY(-4px);
}

.speaker-image-container {
    width: 100%;
    padding-top: 100%;
    position: relative;
    overflow: hidden;
}

.speaker-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.speaker-name {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-raisin-black);
}

.speaker-title {
    font-size: 1rem;
    color: var(--color-paynes-gray);
    margin-bottom: var(--spacing-xs);
}

.speaker-role {
    font-style: italic;
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-sm);
}

.speaker-bio {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
}

/* Footer
   ========================================================================== */
.site-footer {
    background-color: var(--color-raisin-black);
    color: var(--color-seasalt);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section h4 {
    font-family: var(--font-heading);
    margin-bottom: var(--spacing-md);
    color: var(--color-lion);
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--color-seasalt);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-lion);
}

.footer-bottom {
    border-top: 1px solid var(--color-paynes-gray);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    margin-top: var(--spacing-xl);
}

/* Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-raw-umber);
    color: var(--color-seasalt);
}

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

/* Map Styles
   ========================================================================== */
.venue-map {
    margin-top: var(--spacing-lg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.venue-map iframe {
    width: 100%;
    height: 450px;
    border: none;
}

/* Quote Styles
   ========================================================================== */
blockquote {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-paynes-gray);
    margin: var(--spacing-xl) 0;
    padding-left: var(--spacing-lg);
    border-left: 4px solid var(--color-lion);
}

blockquote p {
    margin-bottom: var(--spacing-sm);
}

blockquote footer {
    font-style: normal;
    font-size: 1rem;
    color: var(--color-raw-umber);
}

/* Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.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;
}

/* Print Styles
   ========================================================================== */
@media print {
    .navbar {
        position: static;
        background: none;
        color: black;
    }

    .btn, 
    .mobile-menu-button {
        display: none;
    }

    section {
        page-break-inside: avoid;
    }

    body {
        color: black;
        background: white;
    }

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

    .hero::before {
        display: none;
    }

    .hero {
        color: black;
        background: none;
        min-height: auto;
    }
}

/* Print Styles
   ========================================================================== */
   @media print {
    .navbar,
    .footer,
    .print-btn {
        display: none !important;
    }
    
    .schedule-page {
        padding: 0;
        margin: 0;
    }
    
    .schedule-item {
        page-break-inside: avoid;
        border: 1px solid #ddd;
    }
    
    body {
        font-size: 12pt;
        color: black;
        background: white;
    }
    
    a {
        text-decoration: none;
        color: black;
    }
}

/* Extended Speaker Cards
   ========================================================================== */
.speakers-grid-extended {
    display: grid;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.speaker-card-extended {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .speaker-card-extended {
        grid-template-columns: 300px 1fr;
    }
}

.speaker-extended-bio {
    margin: var(--spacing-md) 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

.presentation-details {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-paynes-gray);
}

.presentation-details h3 {
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-md);
}

/* Schedule Page Styles
   ========================================================================== */
   .schedule-page {
    padding-top: var(--spacing-xl);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.schedule-actions {
    display: flex;
    gap: var(--spacing-md);
}

.print-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.print-btn .icon {
    width: 18px;
    height: 18px;
}

.schedule-overview {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.overview-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.overview-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-raw-umber);
}

.event-details, .quick-links {
    list-style: none;
    padding: 0;
}

.event-details li, .quick-links li {
    margin-bottom: var(--spacing-sm);
}

.event-details strong {
    color: var(--color-paynes-gray);
    font-family: var(--font-heading);
}

.quick-links a {
    color: var(--color-raw-umber);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.quick-links a:hover {
    color: var(--color-lion);
}

.schedule-section {
    margin-bottom: var(--spacing-xl);
}

.schedule-section h2 {
    font-family: var(--font-heading);
    color: var(--color-raisin-black);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-raw-umber);
}

.location-tag {
    font-size: 0.9rem;
    color: var(--color-paynes-gray);
    margin-top: var(--spacing-xs);
}

.event-speakers {
    margin-top: var(--spacing-md);
}

.speaker-info {
    margin-bottom: var(--spacing-md);
}

.speaker-info h4 {
    color: var(--color-raisin-black);
    margin-bottom: var(--spacing-xs);
}

.presentation-title {
    font-family: var(--font-body);
    font-style: italic;
    color: var(--color-paynes-gray);
}

/* Print Styles
   ========================================================================== */
   @media print {
    /* Hide everything except what we want to print */
    body * {
        visibility: hidden;
    }
    
    .schedule-page,
    .schedule-page * {
        visibility: visible;
    }
    
    .schedule-page {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }

    /* Basic styles for printed schedule */
    .schedule-page {
        font-size: 12pt;
        line-height: 1.4;
    }

    .schedule-item {
        margin-bottom: 20px;
        page-break-inside: avoid;
    }

    .schedule-time {
        font-weight: bold;
    }

    /* Hide print button when printing */
    .print-btn {
        display: none;
    }
}

/* Speakers Page Styles
   ========================================================================== */
   .speakers-page {
    padding-top: var(--spacing-xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
    margin-top: var(--spacing-xs);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-paynes-gray);
    max-width: 60ch;
    margin: var(--spacing-md) auto;
}

/* Section Headers */
.speakers-page section h2 {
    font-family: var(--font-heading);
    color: var(--color-raisin-black);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-raw-umber);
}

/* Keynote Section */
.keynote-section {
    margin-bottom: var(--spacing-xl);
}

.keynote-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.keynote-content {
    display: grid;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

@media (min-width: 768px) {
    .keynote-content {
        grid-template-columns: 400px 1fr;
    }
}

.keynote-image-container {
    width: 100%;
    position: relative;
    padding-top: 100%; /* 1:1 Aspect Ratio */
}

.keynote-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.keynote-info h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-raisin-black);
}

/* Welcome Section */
.welcome-section {
    margin-bottom: var(--spacing-xl);
}

.speaker-card-extended {
    display: grid;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .speaker-card-extended {
        grid-template-columns: 400px 1fr;
    }
}

.speaker-card-extended .speaker-image-container {
    width: 100%;
    position: relative;
    padding-top: 100%; /* 1:1 Aspect Ratio */
}

.speaker-card-extended .speaker-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

/* Presenters Grid */
.presenters-section {
    margin-bottom: var(--spacing-xl);
}

.presenters-section h2 {
    margin-bottom: var(--spacing-lg);
}

.presenters-grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

.presenter-card {
    background-color: white;
    border-radius: 8px;
    padding: var(--spacing-lg);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.presenter-header {
    display: grid;
    grid-template-columns: 200px 1fr; /* Increased from 100px */
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.presenter-image-container {
    width: 100%;
    position: relative;
    padding-top: 100%; /* 1:1 Aspect Ratio */
}

.presenter-image-container img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 4px;
}

.presentation-session {
    font-family: var(--font-body);
    font-style: italic;
    color: var(--color-paynes-gray);
    margin-top: var(--spacing-xs);
}

.presenter-content {
    font-size: 1.1rem;
    line-height: 1.6;
}

.bio-preview {
    margin-bottom: var(--spacing-md);
}

.btn-text {
    background: none;
    border: none;
    color: var(--color-raw-umber);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0;
    margin-bottom: var(--spacing-md);
    transition: color var(--transition-normal);
}

.read-more {
  text-transform: uppercase;
  background-color: var(--color-seasalt);
}

.btn-text:hover {
    color: var(--color-lion);
}

.extended-content {
    margin: var(--spacing-md) 0;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-paynes-gray);
}

.presentation-abstract {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-paynes-gray);
}

.presentation-abstract h4 {
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .keynote-content,
    .speaker-card-extended {
        grid-template-columns: 1fr;
    }
    
    .keynote-image-container,
    .speaker-card-extended .speaker-image-container {
        max-width: 400px;
        margin: 0 auto;
    }

    .presenter-header {
        grid-template-columns: 150px 1fr; /* Adjusted for mobile */
    }
}

/* Typography Specifics */
.speaker-card-extended h3,
.presenter-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.speaker-title {
    font-family: var(--font-body);
    font-style: italic;
    color: var(--color-paynes-gray);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.extended-bio {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* About Page Styles
   ========================================================================== */
   .about-page {
    padding-top: var(--spacing-xl);
}

.about-page section {
    margin-bottom: var(--spacing-xl);
}

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-paynes-gray);
    max-width: 60ch;
    margin: var(--spacing-md) auto;
    font-family: var(--font-body);
    font-style: italic;
}

/* Theme Section Styles */
.lead-paragraph {
    font-size: 1.4rem;
    line-height: 1.8;
    color: var(--color-raisin-black);
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-body);
    font-style: italic;
}

.theme-exploration h3 {
    color: var(--color-raw-umber);
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.quote-carousel {
    margin: var(--spacing-xl) 0;
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .quote-carousel {
        grid-template-columns: repeat(3, 1fr);
    }
}

.vision-quote {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background-color: white;
    border-left: 4px solid var(--color-raw-umber);
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.vision-quote p {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-body);
}

.vision-quote footer {
    color: var(--color-paynes-gray);
    font-family: var(--font-heading);
}

/* Info Grid Styles */
.info-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

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

.info-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.info-card h3 {
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    margin-bottom: var(--spacing-sm);
}

.info-card strong {
    color: var(--color-paynes-gray);
    font-family: var(--font-heading);
    font-weight: 500;
}

/* Features Grid Styles */
.features-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

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

.feature-item {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feature-item h3 {
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Logistics Grid Styles */
.logistics-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
    .logistics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.logistics-item {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logistics-item h3 {
    color: var(--color-raw-umber);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-heading);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: larger;
}

.logistics-item ul {
    list-style: none;
    padding: 0;
}

.logistics-item li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.logistics-item li::before {
    content: "•";
    color: var(--color-raw-umber);
    position: absolute;
    left: 0;
}

/* CTA Section Styles */
.cta-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta-section p {
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

/* Contact Section Styles */
.contact-section {
    text-align: center;
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-paynes-gray);
}

.contact-section a {
    color: var(--color-raw-umber);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.contact-section a:hover {
    color: var(--color-lion);
}

/* Section Headers */
.about-page section h2 {
    font-family: var(--font-heading);
    color: var(--color-raisin-black);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-raw-umber);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

@media (max-width: 768px) {
  .page-header h1 {
      margin-bottom: var(--spacing-md);
      font-size: 2rem;
      line-height: 1.2;
  }

  .lead {
      display: block;
      margin-top: var(--spacing-md);
      font-size: 1.1rem;
      line-height: 1.5;
  }
}

/* Group Photo Section
   ========================================================================== */
   .group-photo-section {
    background-color: var(--color-seasalt);
}

.photo-content {
    max-width: 1200px;
    padding: 0 var(--spacing-lg);
    margin-left: auto;
    margin-right: auto;
}

.group-photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-normal);
}

.group-photo:hover {
    transform: scale(1.01);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .photo-content {
        padding: 0 var(--spacing-md);
        margin-top: -50px;
    }
    
    .group-photo {
        border-radius: 4px;
    }
}

/* Papers Summary Styles
   ========================================================================== */
   .papers-summary {
    display: none;  /* Hidden by default */
}

/* Show on desktop/larger screens */
@media (min-width: 1024px) {
    .papers-summary {
        display: block;
    }
}

/* Group Photo Section
   ========================================================================== */
   .group-photo-section {
    margin-bottom: var(--spacing-xl);
}

.photo-content {
    max-width: 1200px;
    /* Create a container for the tilted image */
    position: relative;
    perspective: 1000px;
}

.photo-wrapper {
    /* Container to handle the tilt */
    position: relative;
    transform: rotate(-2deg); /* Subtle counter-clockwise tilt */
    transition: transform var(--transition-normal);
    margin: var(--spacing-xl) auto;
    max-width: 90%; /* Prevent edges from being cut off */
}

.photo-wrapper:hover {
    transform: rotate(-2deg) scale(1.02);
}

.group-photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    display: block;
}

.photo-caption {
    font-family: var(--font-body);
    font-style: italic;
    color: var(--color-paynes-gray);
    font-size: 1.3rem;
    margin-top: var(--spacing-xl);
    text-align: center;
    /* Counter-rotate the caption to keep it level */
    transform: rotate(2deg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .photo-wrapper {
        transform: rotate(-1deg); /* Slightly less tilt on mobile */
    }
    
    .photo-wrapper:hover {
        transform: rotate(-1deg) scale(1.02);
    }
    
    .photo-caption {
        transform: rotate(1deg);
        font-size: 1rem;
        padding: 0 var(--spacing-md);
    }
}