/* ========================================
   SCIGLOBE2026 - Main Stylesheet
   ======================================== */

/* 1. ROOT VARIABLES & RESET
   ======================================== */
:root {
    /* Colors (matching Tailwind config) */
    --color-primary: #1e3a5f;
    --color-secondary: #0d9488;
    --color-accent: #d4a574;
    --color-background: #f8fafc;
    --color-text-dark: #0f172a;
    --color-text-medium: #475569;
    --color-text-light: #94a3b8;
    --color-white: #ffffff;
    --color-black: #000000;

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

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Shadows */
    --shadow-soft: 0 4px 20px -2px rgba(30, 58, 95, 0.1);
    --shadow-medium: 0 8px 30px -4px rgba(30, 58, 95, 0.15);
    --shadow-strong: 0 12px 40px -6px rgba(30, 58, 95, 0.2);

    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
}

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

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

/* Respect 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;
    }
} */

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul, ol {
    list-style: none;
}

/* 2. UTILITY CLASSES
   ======================================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 576px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Skip link (Accessibility) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px 16px;
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* 3. NAVIGATION
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-soft);
}

/* Desktop Navigation Links */
.nav-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    /* color: var(--color-primary); not #106536 */
    color:#106536;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    /* color: var(--color-secondary); */
    color:#569d39;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

#mobile-menu {
    display: block !important;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 320px;
    background: white;
    z-index: 100 !important;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
}

#mobile-menu.active {
    transform: translateX(0);
}

#mobile-menu-btn .hamburger-line:nth-child(1) {
    top: 6px;
}

#mobile-menu-btn .hamburger-line:nth-child(2) {
    top: 50%;
    transform: translate(-50%, -50%);
}

#mobile-menu-btn .hamburger-line:nth-child(3) {
    bottom: 6px;
}

#mobile-menu-btn.active .hamburger-line:nth-child(1) {
    top: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    bottom: 50%;
    transform: translate(-50%, 50%) rotate(-45deg);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 40;
    transition: opacity var(--transition-normal);
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Mobile Menu */
#mobile-menu {
    display: block !important;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 320px;
    background: white;
    z-index: 100 !important;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    visibility: hidden;
}

#mobile-menu.active {
    transform: translateX(0);
    visibility: visible;
}

.mobile-menu.active[aria-hidden="false"],
.mobile-menu.active[aria-hidden="true"] {
    /* Ensure proper aria state */
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mobile-menu-links {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    /* color: var(--color-text-dark); */
    color:#106536;
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    background-color: rgba(30, 58, 95, 0.05);
    border-left-color: var(--color-secondary);
    color: var(--color-secondary);
}

.mobile-nav-link i {
    margin-right: 1rem;
    width: 20px;
    text-align: center;
    color: var(--color-secondary);
}

/* 4. HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.5); /* Lighter overlay */
}

.hero-particles {
    position: absolute;
    inset: 0;
    /* Particle effects could be added via JS */
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 6rem 0.5rem 2rem;
}

.hero-logo {
    width: 48rem;
    max-width: 90vw;
    height: auto;
    margin: 0 auto 2rem;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    /* font-family: var(--font-heading); */
    font-family: 'Gothic A1', sans-serif !important;
    font-size: clamp(3rem, 10vw, 4.9rem);
    font-weight: 600 !important;
    color: #106536 !important;
    margin-bottom: 0.0rem;
    letter-spacing: 0.055em !important;  /* 0.055em Increased letter spacing for better readability */
    /* line-height: 1.1; */
    text-shadow: none;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

.horizontal-rule{
    width: clamp(200px, 80vw, 600px);
    margin: 1.5rem auto;
    border: none;
    height: 2px;
    background-color: #106536 !important;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}

.font-heading-logo {
    font-family: 'Gothic A1', sans-serif !important;
    font-size: clamp(1rem, 4vw, 1.5rem);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.65rem);
    font-weight: 300;
    color: #106536 !important;
    background-color: rgba(255, 255, 255, 0.7); /* Added background for visibility */
    padding: 0.5rem; /* Added padding */
    border-radius: 0.5rem; /* Added radius */
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.2;
    text-shadow: none;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.hero-content hr {
    width: clamp(200px, 80vw, 600px);
    margin: 1.5rem auto;
    border: none;
    height: 2px;
    background-color: #106536 !important;
    opacity: 1;
    animation: fadeInUp 1s ease-out 0.3s backwards;
}




/* Scroll indicator */
@keyframes bounce-slow {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(0.5rem);
    }
}

.animate-bounce-slow {
    animation: bounce-slow 2s infinite;
}

/* 5. SECTIONS
   ======================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 5rem;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--radius-full);
}

/* 6. ABOUT SECTION
   ======================================== */
.about-intro h3,
.about-goals h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-intro h3 i,
.about-goals h3 i {
    color: var(--color-secondary);
}

.about-intro p {
    margin-bottom: 1rem;
    color: var(--color-text-medium);
    line-height: 1.8;
}

.goals-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.goals-list li {
    display: flex;
    align-items: flex-start;
    color: var(--color-text-medium);
    line-height: 1.7;
    padding-left: 1.5rem;
    position: relative;
}

.goals-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

/* Activity Cards */
.activity-card {
    height: 100%;
}

.activity-card h4 {
    font-size: 1.125rem;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

.activity-card p {
    font-size: 0.875rem;
    color: var(--color-text-medium);
}

/* 7. TRACKS SECTION
   ======================================== */
.track-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.track-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.track-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    line-height: 1.4;
}

/* 8. PUBLICATION SECTION
   ======================================== */
.pub-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.pub-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 9. IMPORTANT DATES SECTION
   ======================================== */
.date-item {
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition-normal);
}

.date-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.date-badge {
    text-align: center;
}

.date-badge div {
    box-shadow: var(--shadow-medium);
}

/* 10. COMMITTEES SECTION
   ======================================== */
.committee-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.committee-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-normal);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.committee-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: var(--color-secondary);
}

.committee-card-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.committee-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.committee-role {
    font-size: 0.875rem;
    color: var(--color-text-medium);
    line-height: 1.5;
}

.committee-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.committee-contact {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.contact-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-medium);
    min-width: 45px;
    flex-shrink: 0;
}

.contact-link {
    font-size: 0.875rem;
    color: var(--color-secondary);
    word-break: break-all;
    transition: color var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.committee-tab {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-medium);
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    margin: 0.25rem;
    white-space: nowrap;
}

.committee-tab:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.committee-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.committee-tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.committee-tab-content.active {
    display: block;
}

.committee-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.9375rem;
}

.committee-table th {
    background: var(--color-primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.committee-table th:first-child {
    border-top-left-radius: var(--radius-md);
}

.committee-table th:last-child {
    border-top-right-radius: var(--radius-md);
}

.committee-table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

.committee-table tr:nth-child(even) {
    background-color: #f8fafc;
}

.committee-table tr:hover {
    background-color: rgba(13, 148, 136, 0.05);
}

.committee-table a {
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.committee-table a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* 11. REGISTRATION & FEES SECTION
======================================= */
.fee-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.fee-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.bank-details {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.bank-details.visible {
    opacity: 1;
    transform: translateY(0);
}

.bank-account-card {
    transition: all var(--transition-normal);
}

.bank-account-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.fee-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 11b. ANIMATED OUTLINE BUTTON
======================================== */
.btn-animated-outline {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: #106536;
    background: transparent;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    isolation: isolate;
}

.btn-animated-outline:hover {
    color: #569d39;
    transform: translateY(-2px);
}

.footer-head{
    color: #569d39 !important;
}

.btn-animated-outline:active {
    transform: translateY(0);
}

.btn-animated-outline:focus-visible {
    outline: 2px solid #569d39;
    outline-offset: 4px;
}

.btn-border {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 3px;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.btn-border::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1000px;
    height: 1000px;
    margin-top: -500px;
    margin-left: -500px;
    background: conic-gradient(from 0deg, #106536 0%, #106536 80%, #569d39 95%, #106536 100%);
    animation: spin 2.5s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 12. CONTACT SECTION
   ======================================== */
.contact-card {
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.contact-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-card a {
    color: var(--color-secondary);
    font-weight: 500;
}

.contact-card a:hover {
    text-decoration: underline;
}

/* 13. FOOTER
   ======================================== */
.footer-brand img {
    filter: brightness(0) invert(1);
}

.footer-links a,
.footer-contact a {
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
}

/* 14. ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.animate-fade-in {
    animation: fadeInUp 1s ease-out forwards;
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.animate-on-scroll.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.stagger-children.visible > *:nth-child(1) { transition-delay: 0.1s; }
.animate-on-scroll.stagger-children.visible > *:nth-child(2) { transition-delay: 0.2s; }
.animate-on-scroll.stagger-children.visible > *:nth-child(3) { transition-delay: 0.3s; }
.animate-on-scroll.stagger-children.visible > *:nth-child(4) { transition-delay: 0.4s; }
.animate-on-scroll.stagger-children.visible > *:nth-child(5) { transition-delay: 0.5s; }

.animate-on-scroll.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}



h1, h2, h3, h4, h5, h6 {
    color: #106536 !important;
}

.text-primary {
    color: #106536 !important;
}

.about-content, .submission-content, .track-content {
    text-align: justify;
}

.nav-link.flex.items-center.space-x-2.shrink-0 {
    color: #106536 !important;
}


img.w-48.md\:w-64.lg\:w-72.mb-0.pb-0.drop-shadow-2xl{
    margin-top: 100px;
}



/* @media (min-width: 900px) {
    logo-margin{
        margin-top: 50px;
    }
} */




/* 15. RESPONSIVE ADJUSTMENTS
   ======================================== */

/* Small Mobile (400px - 480px) */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
        --spacing-3xl: 4rem;
    }

    .hero-title{
        letter-spacing: -0.04em !important;  /* Reduced letter spacing for smaller screens */
    }

    .max-w-4xl.mx-auto.flex.flex-col.items-center.animate-fade-in {
    /* margin-top: -100px; */
    margin-bottom: 200px;
}

    .section {
        padding: 4rem 0;
    }

    .hero-content {
        padding-top: 5rem;
    }

    .date-item {
        flex-direction: column;
        text-align: center;
    }

    .date-badge {
        width: 100% !important;
    }

    .committee-tab {
        display: inline-block;
        width: auto;
        margin-bottom: 0.5rem;
        text-align: center;
        padding: 0.625rem 1.25rem;
        font-size: 0.875rem;
    }

    .committee-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .committee-card {
        padding: 1.25rem;
    }

    .committee-name {
        font-size: 1rem;
    }

    .committee-role {
        font-size: 0.8125rem;
    }

    .committee-contact {
        flex-direction: column;
        gap: 0.25rem;
    }

    .contact-label {
        min-width: auto;
    }

    .committee-table {
        font-size: 0.875rem;
    }

    .committee-table th,
    .committee-table td {
        padding: 0.75rem 0.5rem;
    }

    .bank-account-card {
        padding: 1rem;
    }

    .bank-account-card .space-y-2 > div {
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Medium Mobile (481px - 576px) */
@media (min-width: 481px) and (max-width: 576px) {
    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

        .hero-title{
        letter-spacing: 0.02em !important;  /* Reduced letter spacing for smaller screens */
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }

    .max-w-4xl.mx-auto.flex.flex-col.items-center.animate-fade-in {
    /* margin-top: -100px; */
    margin-bottom: 200px;
    }

    .committee-list {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* Large Mobile (577px - 768px) */
@media (min-width: 577px) and (max-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }

    .track-card {
        margin-bottom: 1rem;
    }

    .pub-card,
    .fee-card,
    .contact-card {
        margin-bottom: 1.5rem;
    }

    .committee-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .committee-list {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

/* 16. FOCUS STATES (Accessibility)
   ======================================== */
*:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* 17. SCROLLBAR STYLING (Optional)
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

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

/* 18. PRINT STYLES
   ======================================== */
@media print {
    .navbar,
    .mobile-menu,
    .mobile-menu-overlay,
    .hero-particles,
    .footer {
        display: none !important;
    }

    .hero {
        min-height: auto;
        padding: 2rem;
    }

    .section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }

    a[href]::after {
        content: " (" attr(href) ")";
    }
}

/* Sponsor Tiers */
.sponsor-tier-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sponsor-tier-platinum .sponsor-tier-label {
    background: linear-gradient(135deg, #e5e7eb 0%, #9ca3af 100%);
    color: #1f2937;
}

.sponsor-tier-gold .sponsor-tier-label {
    background: linear-gradient(135deg, #fef3c7 0%, #f59e0b 100%);
    color: #92400e;
}

.sponsor-tier-silver .sponsor-tier-label {
    background: linear-gradient(135deg, #e0f2fe 0%, #64748b 100%);
    color: #1e293b;
}

.sponsor-tier-platinum .sponsor-card-inner {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #9ca3af 0%, #e5e7eb 100%) border-box;
}

.sponsor-tier-gold .sponsor-card-inner {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, #f59e0b 0%, #fef3c7 100%) border-box;
}

.sponsor-tier-platinum .sponsor-card-inner:hover {
    box-shadow: 0 20px 40px -8px rgba(156, 163, 175, 0.4);
}

.sponsor-tier-gold .sponsor-card-inner:hover {
    box-shadow: 0 20px 40px -8px rgba(245, 158, 11, 0.3);
}

.tier-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

.sponsor-tier-platinum .tier-section-title {
    color: #374151;
}

.sponsor-tier-gold .tier-section-title {
    color: #92400e;
}

.sponsor-tier-silver .tier-section-title {
    color: #475569;
}