/**
 * Mobile Campaign Site CSS
 * Mobile-first responsive design with touch-friendly interactions
 */

/* CSS Custom Properties for consistent theming */
:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --secondary-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;

    /* Responsive scaling based on viewport */
    --scale-factor: 1;
    --base-font-size: 16px;
    --container-padding: 1rem;
    --element-spacing: 1rem;
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--base-font-size);
    scroll-behavior: smooth;
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    overscroll-behavior: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100%;
    width: 100%;
    overflow-x: hidden;
    position: relative;
    touch-action: pan-x pan-y;
}

/* Maintain original 430x932 proportions and positioning */
@media screen and (max-width: 375px) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
        --container-padding: 1rem;
        --element-spacing: 1rem;
    }
}

@media screen and (min-width: 376px) and (max-width: 414px) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
        --container-padding: 1rem;
        --element-spacing: 1rem;
    }
}

@media screen and (min-width: 415px) and (max-width: 430px) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
        --container-padding: 1rem;
        --element-spacing: 1rem;
    }
}

@media screen and (min-width: 431px) and (max-width: 768px) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
        --container-padding: 1rem;
        --element-spacing: 1rem;
    }
}

/* Full-screen container for campaign pages */
.campaign-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    background-size: contain;
    background-position: center center;
    background-repeat: no-repeat;
    background-color: #000; /* Black background for letterboxing */
}

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

p {
    margin-bottom: 1rem;
}

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

a:hover,
a:focus {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Mobile Navigation */
.mobile-nav {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    max-width: 100%;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 1rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    touch-action: manipulation;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--light-color);
    text-decoration: none;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 120px);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(
        135deg,
        var(--primary-color) 0%,
        var(--primary-dark) 100%
    );
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

.hero-container {
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow);
    touch-action: manipulation;
    min-height: 48px;
    line-height: 1.2;
}

.cta-button:hover,
.cta-button:focus {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    color: white;
}

/* Features Section */
.features-section {
    padding: 3rem 1rem;
    background: white;
}

.features-container {
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.features-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.feature-icon {
    background: var(--secondary-color);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.feature-text {
    margin: 0;
    font-size: 1rem;
    color: var(--text-color);
}

/* Signup Section */
.signup-section {
    background: var(--light-color);
    padding: 3rem 1rem;
}

.signup-container {
    max-width: 500px;
    margin: 0 auto;
}

.signup-description {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.signup-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-color);
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
    min-height: 48px;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.submit-button {
    width: 100%;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
    touch-action: manipulation;
}

.submit-button:hover,
.submit-button:focus {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.submit-button:active {
    transform: translateY(0);
}

/* Error Message */
.error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

/* Page Hero (for about, success pages) */
.page-hero {
    background: var(--dark-color);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
}

.page-hero-container {
    max-width: 600px;
    margin: 0 auto;
}

.page-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.page-description {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Content Section */
.content-section {
    padding: 3rem 1rem;
}

.content-container {
    max-width: 600px;
    margin: 0 auto;
}

.about-card {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.content-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.content-text {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.content-cta {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    touch-action: manipulation;
    min-height: 44px;
    line-height: 1.2;
}

.content-cta:hover,
.content-cta:focus {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
}

/* Success Page */
.success-section {
    background: var(--secondary-color);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

.success-container {
    max-width: 500px;
    margin: 0 auto;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.success-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.success-description {
    font-size: 1.1rem;
    opacity: 0.95;
}

.next-steps-section {
    padding: 3rem 1rem;
    background: white;
}

.next-steps-container {
    max-width: 600px;
    margin: 0 auto;
}

.step-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.step-text {
    margin: 0;
    color: var(--text-muted);
}

.cta-section {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.return-button,
.learn-more-button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    touch-action: manipulation;
    min-height: 44px;
    line-height: 1.2;
    text-align: center;
    min-width: 120px;
}

.return-button {
    background: var(--primary-color);
    color: white;
}

.return-button:hover,
.return-button:focus {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
}

.learn-more-button {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.learn-more-button:hover,
.learn-more-button:focus {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
}

/* Error Page */
.error-section {
    padding: 3rem 1rem;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-container {
    max-width: 500px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.error-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.error-description {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.primary-button,
.secondary-button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    touch-action: manipulation;
    min-height: 44px;
    line-height: 1.2;
    text-align: center;
    min-width: 120px;
}

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

.primary-button:hover,
.primary-button:focus {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
}

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

.secondary-button:hover,
.secondary-button:focus {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
}

/* Footer */
.mobile-footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 1rem;
    margin-top: auto;
}

.footer-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.footer-container p {
    margin-bottom: 1rem;
    opacity: 0.8;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    font-size: 1.5rem;
    padding: 0.5rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    touch-action: manipulation;
    min-width: 44px;
    min-height: 44px;
    line-height: 1.2;
    text-align: center;
}

.social-link:hover,
.social-link:focus {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Responsive Design - Small screens */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .nav-container {
        padding: 0.75rem;
    }

    .nav-menu {
        gap: 0.5rem;
    }

    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }

    .signup-form,
    .about-card {
        padding: 1.5rem;
    }

    .cta-section,
    .error-actions {
        flex-direction: column;
        align-items: center;
    }

    .return-button,
    .learn-more-button,
    .primary-button,
    .secondary-button {
        width: 100%;
        max-width: 280px;
    }
}

/* Login & OTP Styles */
.login-section,
.otp-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--light-color) 0%, #ffffff 100%);
}

.login-container,
.otp-container {
    max-width: 400px;
    width: 100%;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    text-align: center;
}

.login-header,
.otp-header {
    margin-bottom: 2rem;
}

.login-title,
.otp-title {
    font-size: 1.75rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.login-description,
.otp-description {
    color: var(--text-muted);
    font-size: 1rem;
}

.otp-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* .login-form,
.otp-form {
    margin-bottom: 2rem;
} */

.login-button,
.verify-button {
    width: 100%;
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
    touch-action: manipulation;
}

.login-button:hover,
.login-button:focus,
.verify-button:hover,
.verify-button:focus {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.otp-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 0.5rem;
    font-weight: 600;
    transition: var(--transition);
    background: white;
    min-height: 60px;
    font-family: "Courier New", monospace;
}

.otp-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.otp-input::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.otp-actions {
    margin-top: 1.5rem;
}

.otp-timer {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.resend-button {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    margin-right: 1rem;
    touch-action: manipulation;
    min-height: 40px;
}

.resend-button:hover,
.resend-button:focus {
    background: var(--primary-color);
    color: white;
}

.resend-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-color);
}

.back-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    margin-top: 1rem;
}

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

.login-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 1.5rem;
}

.login-info,
.login-security {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.success-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* OTP Input Animation */
.otp-input.loading {
    background: var(--light-color);
    pointer-events: none;
}

.otp-input.success {
    border-color: var(--secondary-color);
    background: #f8fff8;
}

.otp-input.error {
    border-color: var(--danger-color);
    background: #fff8f8;
}

/* Campaign Page Responsive Styles */
.campaign-button {
    position: absolute;
    background-color: #b08d63;
    color: white;
    border: none;
    font-weight: bold;
    cursor: pointer;
    border-radius: calc(10px * var(--scale-factor));
    font-size: calc(1.2rem * var(--scale-factor));
    transition: all 0.3s ease;
    touch-action: manipulation;
    /* min-height: calc(44px * var(--scale-factor));
    min-width: calc(120px * var(--scale-factor)); */
}

.campaign-button:hover,
.campaign-button:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.campaign-button:active {
    transform: translateY(0);
}

.campaign-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.campaign-text {
    position: absolute;
    color: white;
    font-weight: bold;
    text-align: center;
    font-size: calc(1.2rem * var(--scale-factor));
    line-height: 1.4;
}

.campaign-input {
    position: absolute;
    background-color: white;
    color: #b08d63;
    border: none;
    font-weight: bold;
    border-radius: calc(5px * var(--scale-factor));
    font-size: calc(1.2rem * var(--scale-factor));
    padding-left: calc(5px * var(--scale-factor));
    display: flex;
    align-items: center;
}

.campaign-file-input {
    display: none;
}

.file-display {
    background-color: white;
    border-radius: calc(5px * var(--scale-factor));
    padding-left: calc(5px * var(--scale-factor));
    font-size: calc(1rem * var(--scale-factor));
    font-weight: bold;
    color: #b08d63;
    display: flex;
    align-items: center;
}

.status-text {
    color: white;
    font-size: calc(1rem * var(--scale-factor));
    text-align: center;
}

/* Responsive positioning system */
.pos-top-20 {
    top: calc(20% * var(--scale-factor));
}
.pos-top-25 {
    top: calc(25% * var(--scale-factor));
}
.pos-top-30 {
    top: calc(30% * var(--scale-factor));
}
.pos-top-35 {
    top: calc(35% * var(--scale-factor));
}
.pos-top-40 {
    top: calc(40% * var(--scale-factor));
}
.pos-top-45 {
    top: calc(45% * var(--scale-factor));
}
.pos-top-50 {
    top: calc(50% * var(--scale-factor));
}
.pos-top-52 {
    top: calc(52% * var(--scale-factor));
}

.pos-left-7 {
    left: calc(7% * var(--scale-factor));
}
.pos-left-18 {
    left: calc(18% * var(--scale-factor));
}

.width-64 {
    width: calc(64% * var(--scale-factor));
}
.width-70 {
    width: calc(70% * var(--scale-factor));
}
.width-86 {
    width: calc(86% * var(--scale-factor));
}
.width-100 {
    width: 100%;
}

.height-5 {
    height: calc(5% * var(--scale-factor));
}
.height-18 {
    height: calc(18% * var(--scale-factor));
}
.height-20 {
    height: calc(20% * var(--scale-factor));
}

/* Mobile Optimizations for Login */
@media (max-width: 480px) {
    .login-container,
    .otp-container {
        padding: calc(1.5rem * var(--scale-factor));
        margin: var(--container-padding);
    }

    .login-title,
    .otp-title {
        font-size: calc(1.5rem * var(--scale-factor));
    }

    .otp-input {
        font-size: calc(1.25rem * var(--scale-factor));
        letter-spacing: calc(0.3rem * var(--scale-factor));
    }

    .resend-button {
        display: block;
        width: 100%;
        margin: var(--element-spacing) 0;
    }
}

/* Maintain consistent sizing across all devices */
@media screen and (max-width: 375px) {
    .campaign-text {
        font-size: calc(1.2rem * var(--scale-factor));
    }

    /* .campaign-button {
        font-size: calc(1.2rem * var(--scale-factor));
        min-height: calc(44px * var(--scale-factor));
    } */

    .file-display {
        font-size: calc(1rem * var(--scale-factor));
    }
}

/* Maintain original design proportions */
@media screen and (min-width: 431px) {
    .campaign-text {
        font-size: calc(1.2rem * var(--scale-factor));
    }

    /* .campaign-button {
        font-size: calc(1.2rem * var(--scale-factor));
        min-height: calc(44px * var(--scale-factor));
    } */
}

/* Enhanced responsive units using CSS custom properties */
.responsive-container {
    width: 100vw;
    height: calc(var(--vh, 1vh) * 100);
    position: relative;
    overflow: hidden;
}

/* Safe area handling for notched devices */
@supports (padding: max(0px)) {
    .safe-area-inset-top {
        padding-top: max(env(safe-area-inset-top), 1rem);
    }

    .safe-area-inset-bottom {
        padding-bottom: max(env(safe-area-inset-bottom), 1rem);
    }

    .safe-area-inset-left {
        padding-left: max(env(safe-area-inset-left), 1rem);
    }

    .safe-area-inset-right {
        padding-right: max(env(safe-area-inset-right), 1rem);
    }
}

/* Prevent text scaling on iOS */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* High DPI display optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .campaign-button,
    .login-button,
    .verify-button {
        border: 0.5px solid transparent;
    }
}

/* Landscape orientation - maintain original proportions */
@media screen and (orientation: landscape) and (max-height: 500px) {
    :root {
        --scale-factor: 1;
    }

    .campaign-text {
        font-size: calc(1.2rem * var(--scale-factor));
    }

    .campaign-button {
        min-height: calc(44px * var(--scale-factor));
        font-size: calc(1.2rem * var(--scale-factor));
    }

    /* Keep original positioning percentages */
    .pos-top-20 {
        top: 20vh;
    }
    .pos-top-30 {
        top: 30vh;
    }
    .pos-top-40 {
        top: 40vh;
    }
    .pos-top-45 {
        top: 45vh;
    }
    .pos-top-50 {
        top: 50vh;
    }
    .pos-top-55 {
        top: 55vh;
    }
    .pos-top-63 {
        top: 63vh;
    }
}

/* Extra small screens - maintain original design */
@media screen and (max-width: 320px) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
    }

    .width-64 {
        width: 64%;
    }
    .width-86 {
        width: 86%;
    }
    .pos-left-7 {
        left: 7%;
    }
    .pos-left-18 {
        left: 18%;
    }
}

/* Large mobile screens - maintain original proportions */
@media screen and (min-width: 428px) and (max-width: 768px) {
    :root {
        --scale-factor: 1;
    }
}

/* Tablet portrait mode - maintain original design with letterboxing */
@media screen and (min-width: 768px) and (max-width: 1024px) and (orientation: portrait) {
    :root {
        --scale-factor: 1;
        --base-font-size: 16px;
    }

    .campaign-container {
        max-width: 430px;
        margin: 0 auto;
        background-color: #000;
    }
}

/* Performance optimizations */
.campaign-button,
.login-button,
.verify-button {
    will-change: transform;
    backface-visibility: hidden;
    perspective: 1000px;
}

.campaign-container {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

/* Smooth scrolling for better UX */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Touch improvements for iOS */
@media (hover: none) and (pointer: coarse) {
    .cta-button:hover,
    .submit-button:hover,
    .content-cta:hover,
    .return-button:hover,
    .learn-more-button:hover,
    .primary-button:hover,
    .secondary-button:hover,
    .login-button:hover,
    .verify-button:hover,
    .campaign-button:hover {
        transform: none;
    }

    .feature-card:hover {
        transform: none;
    }

    /* Better touch targets */
    /* .campaign-button,
    .login-button,
    .verify-button {
        min-height: 44px;
        min-width: 44px;
    } */
}