/* ============================================
   COMIC EXPRESS - SHARED STYLESHEET
   White + Yellow Theme, Premium, Responsive
   ============================================ */

/* CSS Variables */
:root {
    --white: #FFFFFF;
    --yellow: #FFD500;
    --gray: #333333;
    --gray-light: #666666;
    --gray-lighter: #f5f5f5;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-comic: 0 6px 12px rgba(255, 213, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    color: var(--gray);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

p {
    margin-bottom: 1rem;
}

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

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

/* Sticky Header */
header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    z-index: 1000;
    box-shadow: var(--shadow);
    padding: 1rem 0;
}

/* FIXED: Full-width nav to remove white borders */
nav {
    width: 100%;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--yellow);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-menu a {
    font-weight: bold;
    color: var(--gray);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-menu a:hover {
    background-color: var(--yellow);
    color: var(--white);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(255, 213, 0, 0.2));
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: 2rem;
}

.hero-content h1 {
    color: var(--white);
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-primary:hover {
    background-color: var(--gray);
    transform: scale(1.05);
    box-shadow: var(--shadow-comic);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.scroll-arrow {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
    z-index: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Styles */
section {
    padding: 4rem 2rem; /* padding inside content */
    width: 100%;        /* full width */
    max-width: none;    /* remove max-width restriction */
    margin: 0;          /* remove auto centering */
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--gray);
}

.section-title h2 {
    display: inline-block;
    padding-bottom: 1rem;
    border-bottom: 4px solid var(--yellow);
}

/* Grid Systems */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-comic);
}

.card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.card-text {
    color: var(--gray-light);
    font-size: 0.95rem;
}

/* Video Section */
.video-section {
    position: relative;
    padding: 4rem 2rem;
    background-color: var(--gray-lighter);
}

.video-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    border: 6px solid var(--yellow);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-comic);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

/* Testimonials */
.testimonials {
    background-color: var(--gray-lighter);
    padding: 4rem 2rem;
}

.testimonial-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.testimonial-slider {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.testimonial-item {
    min-width: 100%;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.testimonial-bubble {
    background-color: var(--yellow);
    padding: 2rem;
    border-radius: 20px;
    position: relative;
    margin-bottom: 1.5rem;
    max-width: 800px;
    box-shadow: var(--shadow-comic);
}

.testimonial-bubble::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 15px solid var(--yellow);
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--gray);
    margin-bottom: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--yellow);
}

.testimonial-name {
    font-weight: bold;
    color: var(--gray);
}

/* Hub Preview Sections */
.hub-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 4rem 0;
}

.hub-box {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.hub-box:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-comic);
}

.hub-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hub-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(255, 213, 0, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

.hub-overlay h3 {
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Gallery Masonry */
.gallery-masonry {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    padding: 2rem 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 213, 0, 0.3);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img {
    width: 100%;
    height: auto;
    border: 4px solid var(--yellow);
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--white);
    border: 2px solid var(--yellow);
    color: var(--gray);
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--yellow);
    color: var(--white);
}

/* Release Grid */
.release-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.release-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.release-card.hidden {
    display: none;
}

.release-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.release-info {
    padding: 1.5rem;
}

.release-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.release-issue {
    color: var(--yellow);
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.release-description {
    color: var(--gray-light);
    font-size: 0.9rem;
}

/* Genre Sections */
.genre-section {
    margin-bottom: 4rem;
}

.genre-header {
    background-color: var(--yellow);
    padding: 1rem 2rem;
    margin-bottom: 2rem;
    border-radius: 4px;
}

.genre-header h3 {
    color: var(--white);
    margin: 0;
}

.genre-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.genre-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.genre-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-comic);
}

.genre-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background-color: var(--yellow);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background-color: var(--yellow);
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: var(--shadow-comic);
    z-index: 1;
}

.timeline-content {
    width: 45%;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-image {
    width: 100px;
    height: 150px;
    object-fit: cover;
    border-radius: 4px;
    margin-right: 1rem;
}

/* Character Spotlight */
.character-spotlight {
    position: relative;
    height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
}

.character-overlay {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(255, 213, 0, 0.4));
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Universe Split */
.universe-split {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 4rem 0;
}

.universe-box {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.universe-box:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-comic);
}

.universe-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(255, 213, 0, 0.6));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.universe-overlay h3 {
    font-size: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Storyline Timeline */
.storyline-timeline {
    display: flex;
    overflow-x: auto;
    gap: 2rem;
    padding: 2rem 0;
    scroll-snap-type: x mandatory;
}

.storyline-item {
    min-width: 300px;
    scroll-snap-align: start;
    background-color: var(--white);
    border: 4px solid var(--yellow);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow-comic);
}

.storyline-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 1rem;
}

/* Blog */
.blog-featured {
    margin-bottom: 4rem;
}

.blog-featured-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.blog-featured-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-comic);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: block;
}

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

.blog-card.hidden {
    display: none;
}

.blog-search {
    max-width: 500px;
    margin: 0 auto 3rem;
    position: relative;
}

.blog-search input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--yellow);
    border-radius: 4px;
    font-size: 1rem;
}

/* Events */
.event-countdown {
    text-align: center;
    padding: 3rem;
    background-color: var(--yellow);
    color: var(--white);
    border-radius: 8px;
    margin-bottom: 3rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

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

.countdown-number {
    font-size: 3rem;
    font-weight: bold;
    display: block;
}

.countdown-label {
    font-size: 1rem;
    text-transform: uppercase;
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.event-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.past-events {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.event-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.event-video iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* About */
.story-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.story-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.team-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.team-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-info {
    padding: 1.5rem;
}

.team-name {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.team-role {
    color: var(--yellow);
    font-weight: bold;
}

/* Contact */
.contact-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--gray);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--yellow);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

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

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

.store-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.store-details {
    background-color: var(--gray-lighter);
    padding: 2rem;
    border-radius: 8px;
}

.store-details h3 {
    color: var(--yellow);
    margin-bottom: 1rem;
}

.store-details p {
    margin-bottom: 0.5rem;
    color: var(--gray);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: var(--yellow);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--gray);
    transform: scale(1.1);
}

/* Footer */
footer {
    background-color: var(--gray);
    color: var(--white);
    padding: 3rem 2rem 1rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--yellow);
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-light);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Comic Background Animation */
.comic-bg {
    position: relative;
    overflow: hidden;
}

.comic-bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.comic-bg-content {
    position: relative;
    z-index: 1;
}

/* Responsive Design */
@media (max-width: 1023px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hub-preview {
        grid-template-columns: 1fr;
    }
    
    .universe-split {
        grid-template-columns: 1fr;
    }
    
    .story-section {
        grid-template-columns: 1fr;
    }
    
    .contact-section {
        grid-template-columns: 1fr;
    }
    
    .store-info {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 3rem;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .timeline-content {
        width: 100%;
    }
}

@media (max-width: 767px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow);
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .genre-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    section {
        padding: 2rem 1rem;
    }
    
    .countdown-timer {
        gap: 1rem;
    }
    
    .countdown-number {
        font-size: 2rem;
    }
}