/* ==========================================
   Reset & Base Styles
   ========================================== */

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

:root {
    /* Colors - Professional B2B Palette */
    --primary: #234C6A;
    --primary-dark: #1B3C53;
    --primary-light: #456882;
    --accent: #D2C1B6;
    --secondary: #6c757d;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --light: #f8f9fa;
    --dark: #1B3C53;
    --gray: #6c757d;
    --gray-light: #e9ecef;
    --white: #ffffff;

    /* Gradients - Updated to match new palette */
    --gradient-primary: linear-gradient(135deg, #234C6A 0%, #1B3C53 100%);
    --gradient-secondary: linear-gradient(135deg, #456882 0%, #234C6A 100%);
    --gradient-accent: linear-gradient(135deg, #D2C1B6 0%, #c5b4a8 100%);

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

    /* Typography */
    --font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    background: linear-gradient(135deg, #1B3C53 0%, #234C6A 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* Particles Neural Network Background */
#tsparticles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Logo in Hero */
.logo-container {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 10;
}

.logo {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: clamp(2rem, 5vw, var(--font-size-4xl));
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.highlight {
    background: linear-gradient(90deg, #FFB84D, #FFA726);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    font-weight: 800;
    text-shadow: 0 0 20px rgba(255, 184, 77, 0.3);
    filter: drop-shadow(0 2px 8px rgba(255, 167, 38, 0.4));
}

.highlight-alt {
    border-bottom: 4px solid #FFB84D;
    padding-bottom: 4px;
    color: #FFB84D;
    text-shadow: 0 0 15px rgba(255, 184, 77, 0.3);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    opacity: 0.95;
}

/* Chat Mockup */
.chat-mockup {
    background-color: #f0f0f0;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
}

.chat-message {
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-message.sent {
    background-color: #dcf8c6;
    margin-left: 0;
    margin-right: 20%;
}

.chat-message.received {
    background-color: var(--white);
    margin-left: 20%;
    margin-right: 0;
    animation-delay: 0.5s;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.audio-icon, .bot-icon {
    background-color: rgba(0, 0, 0, 0.05);
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.timestamp {
    font-size: 0.75rem;
    color: var(--gray);
    display: block;
    text-align: right;
    margin-top: var(--spacing-xs);
}

/* ==========================================
   Target Audience Section
   ========================================== */

.audience-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.audience-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 2px solid var(--gray-light);
}

.audience-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: #234C6A;
}

.audience-image {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
}

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

.audience-card:hover .audience-image img {
    transform: scale(1.05);
}

.audience-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-lg);
}

.audience-badge-alt {
    background: linear-gradient(135deg, #456882 0%, #234C6A 100%);
}

.audience-content {
    padding: var(--spacing-lg);
}

.audience-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.audience-intro {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.audience-benefits {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.audience-benefits li {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    border-left: 4px solid #456882;
    padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-md);
}

.audience-benefits li strong {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.audience-benefits li p {
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
}

.audience-cta {
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-light);
}

.pricing-hint {
    font-size: var(--font-size-base);
    color: var(--primary);
    font-weight: 700;
    margin: 0;
}

/* ==========================================
   Countdown Section
   ========================================== */

.countdown-section {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, var(--font-size-3xl));
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

.countdown {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    background: var(--dark);
    color: var(--white);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    min-width: 100px;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.countdown-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray);
    margin-top: var(--spacing-xs);
    font-weight: 600;
}

.countdown-separator {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray);
}

/* Beta Scarcity Section */
.beta-scarcity {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.scarcity-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    margin-bottom: var(--spacing-md);
    animation: pulse-badge 2s ease-in-out infinite;
}

.scarcity-badge-alt {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: var(--dark);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    margin-bottom: var(--spacing-md);
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text strong {
    font-weight: 800;
}

.countdown-cta {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

/* Early Adopter Benefits */
.early-adopter-benefits {
    background: linear-gradient(135deg, rgba(35, 76, 106, 0.08), rgba(69, 104, 130, 0.08));
    border: 2px solid rgba(35, 76, 106, 0.25);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.early-adopter-benefits h3 {
    text-align: center;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

.benefit-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid transparent;
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: #234C6A;
}

.benefit-item strong {
    display: block;
    font-size: 1.1rem;
    color: #234C6A;
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.benefit-item p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
    line-height: 1.4;
}

/* Waitlist Form */
.waitlist-container {
    max-width: 700px;
    margin: var(--spacing-md) auto;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark);
}

.waitlist-form input[type="text"],
.waitlist-form input[type="email"],
.waitlist-form select {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    outline: none;
    transition: var(--transition);
    font-family: var(--font-family);
    background-color: var(--white);
    width: 100%;
}

.waitlist-form select {
    padding-right: 2.5rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%23212529' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 20px;
}

.waitlist-form input[type="text"]:focus,
.waitlist-form input[type="email"]:focus,
.waitlist-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 123, 255, 0.1);
}

.submit-btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, #234C6A 0%, #1B3C53 100%);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
    margin-top: var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(35, 76, 106, 0.3);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-note {
    font-size: 0.875rem;
    color: var(--gray);
    margin-top: var(--spacing-sm);
    text-align: center;
}

.form-success,
.form-error {
    display: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    text-align: center;
    font-weight: 600;
    animation: slideIn 0.5s ease-out;
}

.form-success {
    background-color: #d4edda;
    color: #155724;
    border: 2px solid #28a745;
}

.form-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 2px solid #dc3545;
}

.form-success.show,
.form-error.show {
    display: block;
}

/* Consent Checkbox */
.consent-field {
    margin-top: var(--spacing-md);
}

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--dark);
    text-align: left;
}

.consent-label input[type="checkbox"] {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    margin-top: 3px;
    cursor: pointer;
    accent-color: var(--primary);
}

.consent-text {
    flex: 1;
    color: var(--dark);
}

.consent-text a {
    color: var(--primary);
    text-decoration: underline;
    font-weight: 600;
}

.consent-text a:hover {
    color: var(--primary-dark);
}

/* Consent in dark sections (Final CTA) */
.final-cta .consent-label {
    color: var(--white);
    opacity: 0.95;
}

.final-cta .consent-text {
    color: var(--white);
    opacity: 0.95;
}

.final-cta .consent-text a {
    color: var(--white);
    text-decoration: underline;
    font-weight: 600;
}

.final-cta .consent-text a:hover {
    opacity: 0.8;
}

/* ==========================================
   Differentiators Section
   ========================================== */

.differentiators {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--gray-light);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: #234C6A;
}

.feature-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

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

.feature-card:hover .feature-image img {
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
    color: var(--dark);
}

.feature-card p {
    font-size: var(--font-size-base);
    color: var(--gray);
    line-height: 1.7;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

/* ==========================================
   Problem Section
   ========================================== */

.problem-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) auto;
    max-width: 1000px;
}

.problem-item {
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid var(--gray-light);
}

.problem-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--danger);
}

.problem-image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
}

.problem-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(220, 53, 69, 0.3) 100%);
}

.problem-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
}

.problem-item h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
    color: var(--danger);
}

.problem-item p {
    color: var(--gray);
    line-height: 1.6;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.problem-conclusion {
    text-align: center;
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xl);
    color: var(--dark);
    font-weight: 600;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, rgba(210, 193, 182, 0.2), rgba(232, 221, 208, 0.2));
    border-radius: var(--radius-lg);
    border: 2px solid rgba(210, 193, 182, 0.4);
}

/* ==========================================
   How It Works Section
   ========================================== */

.how-it-works {
    padding: var(--spacing-xl) 0;
    background-color: var(--white);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 280px;
    max-width: 340px;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid var(--gray-light);
}

.step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: #234C6A;
}

.step-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.step-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.step-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #234C6A 0%, #1B3C53 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 800;
    box-shadow: var(--shadow-lg);
}

.step-content {
    padding: var(--spacing-md);
    text-align: center;
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.step-content p {
    color: var(--gray);
    line-height: 1.6;
}

.step-arrow {
    font-size: 2.5rem;
    color: var(--gray);
    flex-shrink: 0;
    align-self: center;
}

/* ==========================================
   Final CTA Section
   ========================================== */

.final-cta {
    background: linear-gradient(135deg, #1B3C53 0%, #234C6A 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, var(--font-size-3xl));
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

.cta-box {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-box h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.cta-box p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* ==========================================
   iPhone WhatsApp Simulator
   ========================================== */

.whatsapp-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Platform Toggle Buttons */
.platform-toggle {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 8px;
    border-radius: 16px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.platform-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px 20px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-family: var(--font-family);
    color: rgba(255, 255, 255, 0.7);
    min-width: 120px;
}

.platform-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
}

.platform-btn.active {
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.platform-btn.active[data-platform="whatsapp"] {
    background: linear-gradient(135deg, #00a884 0%, #008069 100%);
    color: white;
}

.platform-btn.active[data-platform="telegram"] {
    background: linear-gradient(135deg, #0088cc 0%, #0077b5 100%);
    color: white;
}

.platform-icon {
    font-size: 24px;
}

.platform-name {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.platform-privacy {
    font-size: 10px;
    font-weight: 600;
    opacity: 0.9;
    margin-top: -2px;
}

.chat-simulator-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* iPhone Mockup */
.iphone-mockup {
    position: relative;
    max-width: 380px;
    margin: 0 auto;
    filter: drop-shadow(0 25px 50px -10px rgba(0, 0, 0, 0.4));
    animation: iphoneFloat 4s ease-in-out infinite;
}

@keyframes iphoneFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.iphone-frame {
    background: linear-gradient(135deg, #3a3a3a 0%, #1f1f1f 50%, #0d0d0d 100%);
    border-radius: 46px;
    padding: 10px;
    box-shadow:
        0 60px 120px -25px rgba(0, 0, 0, 0.95),
        0 35px 75px -35px rgba(0, 0, 0, 0.85),
        inset 0 1px 2px rgba(255, 255, 255, 0.08),
        inset 0 -1px 2px rgba(255, 255, 255, 0.02);
    position: relative;
    border: 2px solid #0a0a0a;
}

.iphone-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 46px;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.05) 50%, transparent 70%);
    pointer-events: none;
}

/* iOS Status Bar - Mejorado 2024 */
.ios-bar {
    background: linear-gradient(to bottom, #111b21 0%, #0b141a 100%);
    color: white;
    padding: 6px 20px 8px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 600;
    border-radius: 34px 34px 0 0;
    position: relative;
    gap: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
}

.ios-left {
    flex: 1;
    display: flex;
    align-items: center;
}

.ios-time {
    display: block;
}

.ios-island {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 28px;
    background: #000;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ios-camera {
    width: 10px;
    height: 10px;
    background: radial-gradient(circle at 30% 30%, #222, #000);
    border-radius: 50%;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.8);
}

.ios-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

/* WhatsApp/Telegram Header */
.whatsapp-bar {
    color: white;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-radius: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Dynamic Platform Header - WhatsApp */
.iphone-mockup[data-active-platform="whatsapp"] .platform-header {
    background: linear-gradient(to bottom, #00a884 0%, #008069 100%);
}

/* Dynamic Platform Header - Telegram */
.iphone-mockup[data-active-platform="telegram"] .platform-header {
    background: linear-gradient(to bottom, #0088cc 0%, #0077b5 100%);
}

.whatsapp-avatar {
    font-size: 28px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    flex-shrink: 0;
    transition: opacity 0.3s ease;
}

.whatsapp-info {
    flex: 1;
}

.whatsapp-name {
    font-weight: 600;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.whatsapp-status {
    font-size: 12px;
    opacity: 0.8;
}

/* Chat Content - Base */
.platform-content {
    min-height: 550px;
    max-height: 550px;
    overflow-y: auto;
    padding: 16px 12px;
    position: relative;
    transition: background 0.3s ease;
}

/* WhatsApp Content - Highly authentic beige with subtle pattern */
.iphone-mockup[data-active-platform="whatsapp"] .platform-content {
    background-color: #e5ddd5;
    background-image:
        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="400" height="400" opacity="0.04"><defs><pattern id="whatsapp-pattern" x="0" y="0" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M30 0 L60 30 L30 60 L0 30 Z" fill="%23000000"/></pattern></defs><rect width="400" height="400" fill="url(%23whatsapp-pattern)"/></svg>');
}

/* Telegram Content - Ultra clean white background with very subtle gradient */
.iphone-mockup[data-active-platform="telegram"] .platform-content {
    background: #ffffff;
    background-image: linear-gradient(to bottom, rgba(0, 136, 204, 0.015) 0%, transparent 100%);
}

.whatsapp-content::-webkit-scrollbar {
    width: 4px;
}

.whatsapp-content::-webkit-scrollbar-track {
    background: transparent;
}

.whatsapp-content::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

/* Chat Scenarios */
.chat-scenario {
    display: none;
    animation: fadeIn 0.4s ease-in;
}

.chat-scenario.is-active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-date {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 8px;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 600;
    color: #667781;
    display: block;
    margin: 16px auto 20px;
    width: fit-content;
    max-width: 120px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Telegram date badge - slightly different styling */
.iphone-mockup[data-active-platform="telegram"] .chat-date {
    background: rgba(0, 0, 0, 0.08);
    color: #707579;
    backdrop-filter: blur(6px);
}

/* Chat Bubbles - Base Design */
.chat-bubble {
    background: white;
    color: #111b21;
    border-radius: 7.5px;
    padding: 6px 7px 8px 9px;
    margin-bottom: 3px;
    max-width: 75%;
    position: relative;
    box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
    font-size: 14.2px;
    line-height: 19px;
    animation: bubbleIn 0.25s cubic-bezier(0.34, 1.2, 0.64, 1);
    word-wrap: break-word;
    word-break: break-word;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Helvetica, Arial, sans-serif;
    transition: all 0.3s ease;
}

/* Telegram bubbles - More rounded and refined */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble {
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    padding: 7px 10px 9px 12px;
}

/* WhatsApp bubbles - Classic rounded with authentic shadows */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble {
    box-shadow: 0 1px 0.5px rgba(11, 20, 26, 0.13);
}

@keyframes bubbleIn {
    from {
        opacity: 0;
        transform: scale(0.92) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.chat-bubble.user {
    color: white;
    margin-left: auto;
    margin-right: 0;
}

/* WhatsApp: Green messages for user with authentic tail */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user {
    background: #d9fdd3;
    color: #111b21;
    border-bottom-right-radius: 2px;
}

/* Telegram: Blue messages for user - more rounded, no sharp tail */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user {
    background: linear-gradient(135deg, #0088cc 0%, #0077b5 100%);
    color: white;
    border-bottom-right-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 136, 204, 0.25);
}

.chat-bubble.bot {
    margin-right: auto;
    margin-left: 0;
    padding-bottom: 18px; /* Espacio vertical para hora */
    color: #111b21;
}

/* WhatsApp: White messages for bot with authentic tail */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.bot {
    background: #ffffff;
    border-bottom-left-radius: 2px;
}

/* Telegram: Light gray messages for bot - more rounded */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.bot {
    background: #f0f0f0;
    border-bottom-left-radius: 4px;
    color: #000000;
}

.chat-bubble.photo {
    background: #f8f8f8;
    padding: 6px;
    border: none;
}

.photo-placeholder {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #e9e9e9, #f5f5f5);
    border-radius: 6px;
    font-size: 16px;
    color: #666;
    border: 2px dashed #999;
}

.invoice-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Telegram photo style - more rounded */
.iphone-mockup[data-active-platform="telegram"] .invoice-image {
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.qr-code-image {
    width: 140px;
    height: 140px;
    display: block;
    margin: 8px auto;
    border-radius: 8px;
    background: white;
    padding: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.chat-time {
    font-size: 11px;
    color: rgba(17, 27, 33, 0.45);
    display: inline-block;
    position: absolute;
    bottom: 5px;
    right: 7px;
}

/* WhatsApp user messages - darker time */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user .chat-time {
    color: rgba(17, 27, 33, 0.50);
}

/* Telegram user messages - white time */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user .chat-time {
    color: rgba(255, 255, 255, 0.75);
}

/* Telegram checkmarks for sent messages - authentic read receipt style */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user .chat-time::after {
    content: '✓✓';
    margin-left: 4px;
    color: rgba(255, 255, 255, 0.90);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -2px;
}

/* WhatsApp checkmarks for sent messages */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user .chat-time::after {
    content: '✓✓';
    margin-left: 3px;
    color: rgba(17, 27, 33, 0.45);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: -1.5px;
}

.chat-bubble.bot .chat-time {
    right: 7px; /* Hora en la esquina derecha */
}

/* ==========================================
   INPUT FOOTER - RADICALLY DIFFERENT DESIGNS
   WhatsApp: Rounded bubble style with icons INSIDE
   Telegram: Flat rectangular with minimal decoration
   ========================================== */

/* Base Input Structure */
.whatsapp-input {
    display: flex;
    align-items: center;
    border-radius: 0 0 34px 34px;
    transition: all 0.3s ease;
}

/* ==========================================
   WHATSAPP INPUT FOOTER - ROUNDED BUBBLE STYLE
   ========================================== */

/* WhatsApp Footer Container - Light gray background */
.iphone-mockup[data-active-platform="whatsapp"] .whatsapp-input {
    background: #f0f2f5;
    padding: 5px 8px;
    gap: 8px;
}

/* WhatsApp Plus Icon - OUTSIDE left, standalone */
.iphone-mockup[data-active-platform="whatsapp"] .input-icon {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    color: #8696a0;
    transition: all 0.2s ease;
    flex-shrink: 0;
    order: 1;
}

.iphone-mockup[data-active-platform="whatsapp"] .input-icon:hover {
    color: #00a884;
    transform: rotate(90deg) scale(1.1);
}

/* WhatsApp Input Bubble - HIGHLY ROUNDED white container */
.iphone-mockup[data-active-platform="whatsapp"] .input-field {
    flex: 1;
    background: #ffffff;
    border-radius: 24px; /* Very rounded! */
    padding: 9px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    border: none;
    min-height: 44px;
    order: 2;
}

/* WhatsApp Emoji - VISIBLE inside input, left side */
.iphone-mockup[data-active-platform="whatsapp"] .input-emoji {
    font-size: 22px;
    cursor: pointer;
    transition: transform 0.2s ease;
    opacity: 0.65;
    display: block; /* Always visible in WhatsApp */
}

.iphone-mockup[data-active-platform="whatsapp"] .input-emoji:hover {
    transform: scale(1.2);
    opacity: 1;
}

/* WhatsApp Placeholder */
.iphone-mockup[data-active-platform="whatsapp"] .input-placeholder {
    flex: 1;
    font-size: 16px;
    color: #8696a0;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
    user-select: none;
    font-weight: 400;
}

/* WhatsApp Paperclip - VISIBLE inside input, right side */
.iphone-mockup[data-active-platform="whatsapp"] .input-attachment {
    font-size: 20px;
    color: #8696a0;
    cursor: pointer;
    transition: all 0.2s ease;
    transform: rotate(-40deg);
    display: block; /* Always visible in WhatsApp */
}

.iphone-mockup[data-active-platform="whatsapp"] .input-attachment:hover {
    transform: rotate(0deg) scale(1.15);
    color: #00a884;
}

/* WhatsApp Mic - OUTSIDE right, green circular button */
.iphone-mockup[data-active-platform="whatsapp"] .platform-mic {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #00a884;
    box-shadow: 0 2px 8px rgba(0, 168, 132, 0.4);
    flex-shrink: 0;
    order: 3;
}

.iphone-mockup[data-active-platform="whatsapp"] .platform-mic:hover {
    background: #008069;
    transform: scale(1.1);
    box-shadow: 0 3px 12px rgba(0, 128, 105, 0.5);
}

.iphone-mockup[data-active-platform="whatsapp"] .platform-mic:active {
    transform: scale(0.95);
}

/* ==========================================
   TELEGRAM INPUT FOOTER - FLAT MINIMAL STYLE
   Completely different approach - no visible icons inside
   ========================================== */

/* Telegram Footer Container - Pure white with border */
.iphone-mockup[data-active-platform="telegram"] .whatsapp-input {
    background: #ffffff;
    border-top: 1px solid #e8e8e8;
    padding: 6px 8px;
    gap: 8px;
}

/* Telegram Attachment Icon - OUTSIDE left (replaces plus) */
.iphone-mockup[data-active-platform="telegram"] .input-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    color: #8e96a0;
    transition: all 0.2s ease;
    flex-shrink: 0;
    order: 1;
}

.iphone-mockup[data-active-platform="telegram"] .input-icon:hover {
    color: #0088cc;
    background: rgba(0, 136, 204, 0.08);
    border-radius: 50%;
}

/* Telegram Input Field - FLAT rectangular, no rounded edges */
.iphone-mockup[data-active-platform="telegram"] .input-field {
    flex: 1;
    background: #f1f3f4;
    border-radius: 10px; /* Much less rounded than WhatsApp */
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 0;
    box-shadow: none;
    border: none;
    min-height: 42px;
    order: 2;
}

/* Telegram Emoji - HIDDEN by default (only placeholder) */
.iphone-mockup[data-active-platform="telegram"] .input-emoji {
    display: none; /* Telegram doesn't show emoji by default */
}

/* Telegram Placeholder - Clean, no decoration */
.iphone-mockup[data-active-platform="telegram"] .input-placeholder {
    flex: 1;
    font-size: 16px;
    color: #a2acb0;
    font-family: -apple-system, BlinkMacSystemFont, 'Roboto', 'SF Pro Text', sans-serif;
    user-select: none;
    font-weight: 400;
}

/* Telegram Attachment - HIDDEN (attachment is outside) */
.iphone-mockup[data-active-platform="telegram"] .input-attachment {
    display: none; /* Telegram has attachment outside, not inside input */
}

/* Telegram Mic/Send - OUTSIDE right, blue circular */
.iphone-mockup[data-active-platform="telegram"] .platform-mic {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #0088cc;
    box-shadow: 0 2px 6px rgba(0, 136, 204, 0.35);
    flex-shrink: 0;
    order: 3;
}

.iphone-mockup[data-active-platform="telegram"] .platform-mic:hover {
    background: #0077b5;
    transform: scale(1.1);
    box-shadow: 0 3px 10px rgba(0, 119, 181, 0.45);
}

.iphone-mockup[data-active-platform="telegram"] .platform-mic:active {
    transform: scale(0.95);
}

/* WhatsApp Checkmarks removidos */

/* Bubble Triangles (Tails) */
.chat-bubble.user::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: -6px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 10px 6px;
}

/* WhatsApp: Green tail for user messages */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user::before {
    border-color: transparent transparent #d9fdd3 transparent;
}

/* Telegram: Subtle blue tail for user messages - more authentic */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user::before {
    border-color: transparent transparent #0077b5 transparent;
    right: -5px;
    border-width: 0 0 8px 5px;
}

.chat-bubble.bot::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -6px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 6px 10px 0;
}

/* WhatsApp: White tail for bot messages */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.bot::before {
    border-color: transparent #ffffff transparent transparent;
}

/* Telegram: Subtle gray tail for bot messages - more authentic */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.bot::before {
    border-color: transparent #f0f0f0 transparent transparent;
    left: -5px;
    border-width: 0 5px 8px 0;
}

/* Typing Indicator */
.typing-indicator {
    background: white;
    border: 1px solid #e5e5ea;
    border-radius: 18px;
    padding: 10px 14px;
    margin-bottom: 6px;
    max-width: 65px;
    margin-left: 0;
    margin-right: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.3s ease;
    position: relative;
}

.typing-indicator::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #999;
    animation: typing 1.2s infinite ease-in-out;
}

.typing-indicator::after {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #999;
    animation: typing 1.2s infinite ease-in-out;
    animation-delay: 0.1s;
}

.typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #999;
    animation: typing 1.2s infinite ease-in-out;
    animation-delay: 0.2s;
}

@keyframes typing {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-8px);
        opacity: 1;
    }
}

/* Mobile Adjustments for Simulator */
@media (max-width: 768px) {
    .iphone-mockup {
        max-width: 340px;
    }

    .whatsapp-content {
        min-height: 450px;
        max-height: 450px;
    }
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background-color: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg) 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.footer-note {
    margin-top: var(--spacing-xs);
    opacity: 0.6;
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 768px) {
    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-text {
        text-align: center;
    }

    .hero-subtitle {
        margin-bottom: var(--spacing-lg);
    }

    .logo-container {
        top: var(--spacing-sm);
        left: var(--spacing-sm);
    }

    .logo {
        height: 35px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .chat-mockup {
        padding: var(--spacing-sm);
    }

    /* Platform toggle mobile adjustments */
    .platform-toggle {
        margin-bottom: 20px;
        padding: 6px;
        gap: 8px;
    }

    .platform-btn {
        padding: 10px 16px;
        min-width: 100px;
    }

    .platform-icon {
        font-size: 20px;
    }

    .platform-name {
        font-size: 11px;
    }

    .platform-privacy {
        font-size: 9px;
    }

    .audience-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .audience-card {
        max-width: 100%;
    }

    .audience-image {
        height: 220px;
    }

    .audience-content h3 {
        font-size: var(--font-size-xl);
    }

    .countdown {
        gap: var(--spacing-xs);
    }

    .countdown-value {
        font-size: 2rem;
        padding: var(--spacing-xs) var(--spacing-sm);
        min-width: 70px;
    }

    .countdown-separator {
        font-size: 1.5rem;
    }

    .waitlist-form {
        gap: var(--spacing-sm);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .submit-btn {
        width: 100%;
    }

    .scarcity-badge {
        font-size: 0.9rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }

    .early-adopter-benefits {
        padding: var(--spacing-md);
    }

    .early-adopter-benefits h3 {
        font-size: var(--font-size-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .countdown-value {
        min-width: 60px;
        font-size: 1.5rem;
    }
}
/* ==========================================
   ULTRA REALISTIC WHATSAPP & TELEGRAM
   Mejoras masivas de realismo visual
   ========================================== */

/* WhatsApp Ultra Realistic Background */
.iphone-mockup[data-active-platform="whatsapp"] .platform-content {
    background-color: #e5ddd5;
    background-image:
        /* Patrón de diamantes más sutil y auténtico */
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(0, 0, 0, 0.015) 10px,
            rgba(0, 0, 0, 0.015) 20px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 10px,
            rgba(0, 0, 0, 0.015) 10px,
            rgba(0, 0, 0, 0.015) 20px
        );
}

/* Telegram Ultra Clean Background */
.iphone-mockup[data-active-platform="telegram"] .platform-content {
    background: #ffffff;
    background-image: radial-gradient(circle at 50% 0%, rgba(0, 136, 204, 0.02) 0%, transparent 100%);
}

/* WhatsApp Header - Más auténtico */
.iphone-mockup[data-active-platform="whatsapp"] .platform-header {
    background: #00a884;
    box-shadow: 0 2px 3px rgba(0, 0, 0, 0.12);
    position: relative;
}

.iphone-mockup[data-active-platform="whatsapp"] .platform-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(0, 0, 0, 0.08);
}

/* Telegram Header - Más limpio */
.iphone-mockup[data-active-platform="telegram"] .platform-header {
    background: #0088cc;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

/* WhatsApp User Bubbles - ULTRA REALISTA */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user {
    background: #d9fdd3;
    color: #111b21;
    border-radius: 7.5px;
    border-bottom-right-radius: 0px;
    padding: 6px 7px 8px 9px;
    box-shadow: 0 1px 0.5px rgba(0, 0, 0, 0.13);
    margin-bottom: 2px;
    position: relative;
}

/* WhatsApp Bot Bubbles - ULTRA REALISTA */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.bot {
    background: #ffffff;
    color: #111b21;
    border-radius: 7.5px;
    border-bottom-left-radius: 0px;
    padding: 6px 7px 18px 9px;
    box-shadow: 0 1px 0.5px rgba(0, 0, 0, 0.13);
    margin-bottom: 2px;
}

/* Telegram User Bubbles - ULTRA REALISTA */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user {
    background: #2b5278;
    background: linear-gradient(135deg, #2b5278 0%, #2b5278 100%);
    color: #ffffff;
    border-radius: 12px 12px 4px 12px;
    padding: 8px 12px 10px 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    margin-bottom: 4px;
}

/* Telegram Bot Bubbles - ULTRA REALISTA */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.bot {
    background: #ffffff;
    color: #000000;
    border-radius: 12px 12px 12px 4px;
    padding: 8px 12px 20px 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.04);
    margin-bottom: 4px;
}

/* WhatsApp Tails - MÁS REALISTAS */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 13px 8px;
    border-color: transparent transparent #d9fdd3 transparent;
    filter: drop-shadow(0 1px 0.5px rgba(0, 0, 0, 0.13));
}

.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.bot::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -8px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 13px 0;
    border-color: transparent #ffffff transparent transparent;
    filter: drop-shadow(0 1px 0.5px rgba(0, 0, 0, 0.13));
}

/* Telegram Tails - MÁS SUTILES */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: -6px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 10px 6px;
    border-color: transparent transparent #2b5278 transparent;
}

.iphone-mockup[data-active-platform="telegram"] .chat-bubble.bot::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -6px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 6px 10px 0;
    border-color: transparent #ffffff transparent transparent;
}

/* WhatsApp Time & Checkmarks - AUTÉNTICOS */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble .chat-time {
    font-size: 11px;
    color: rgba(0, 0, 0, 0.45);
    font-weight: 400;
    position: absolute;
    bottom: 4px;
    right: 7px;
    white-space: nowrap;
}

.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user .chat-time {
    color: rgba(0, 0, 0, 0.45);
}

.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.user .chat-time::after {
    content: '✓✓';
    margin-left: 3px;
    color: #53bdeb;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -2px;
    position: relative;
    top: 0.5px;
}

/* Telegram Time & Checkmarks - AUTÉNTICOS */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble .chat-time {
    font-size: 12px;
    color: rgba(0, 0, 0, 0.5);
    font-weight: 400;
    position: absolute;
    bottom: 4px;
    right: 9px;
    white-space: nowrap;
}

.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user .chat-time {
    color: rgba(255, 255, 255, 0.7);
}

.iphone-mockup[data-active-platform="telegram"] .chat-bubble.user .chat-time::after {
    content: '✓✓';
    margin-left: 4px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -2.5px;
}

/* WhatsApp Date Badge - AUTÉNTICO */
.iphone-mockup[data-active-platform="whatsapp"] .chat-date {
    background: rgba(255, 255, 255, 0.9);
    color: #54656f;
    font-size: 12.5px;
    font-weight: 500;
    padding: 5px 12px 6px;
    border-radius: 7.5px;
    box-shadow: 0 1px 0.5px rgba(0, 0, 0, 0.13);
}

/* Telegram Date Badge - AUTÉNTICO */
.iphone-mockup[data-active-platform="telegram"] .chat-date {
    background: rgba(0, 0, 0, 0.15);
    color: #ffffff;
    font-size: 13px;
    font-weight: 500;
    padding: 4px 12px 5px;
    border-radius: 10px;
    box-shadow: none;
}

/* WhatsApp Avatar - Más detallado */
.iphone-mockup[data-active-platform="whatsapp"] .whatsapp-avatar {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Telegram Avatar - Más detallado */
.iphone-mockup[data-active-platform="telegram"] .whatsapp-avatar {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* WhatsApp Input - MÁS REALISTA */
.iphone-mockup[data-active-platform="whatsapp"] .whatsapp-input {
    background: #f0f2f5;
    padding: 5px 8px;
}

.iphone-mockup[data-active-platform="whatsapp"] .input-field {
    background: #ffffff;
    border: none;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
}

/* Telegram Input - MÁS REALISTA */
.iphone-mockup[data-active-platform="telegram"] .whatsapp-input {
    background: #ffffff;
    border-top: 1px solid #e8e8e8;
    padding: 8px;
}

.iphone-mockup[data-active-platform="telegram"] .input-field {
    background: #f4f4f5;
    border: 1px solid #e8e8e8;
    box-shadow: none;
}

/* WhatsApp Photo Messages - Auténtico */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble.photo {
    background: transparent;
    padding: 4px;
    box-shadow: none;
}

.iphone-mockup[data-active-platform="whatsapp"] .invoice-image {
    border-radius: 8px;
    box-shadow: 0 1px 0.5px rgba(0, 0, 0, 0.13);
}

/* Telegram Photo Messages - Auténtico */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble.photo {
    background: transparent;
    padding: 0;
    box-shadow: none;
}

.iphone-mockup[data-active-platform="telegram"] .invoice-image {
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* Typography improvements */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14.2px;
    line-height: 19px;
    letter-spacing: -0.01em;
}

.iphone-mockup[data-active-platform="telegram"] .chat-bubble {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 14.5px;
    line-height: 20px;
    letter-spacing: 0;
}

/* WhatsApp Strong text */
.iphone-mockup[data-active-platform="whatsapp"] .chat-bubble strong {
    font-weight: 600;
}

/* Telegram Strong text */
.iphone-mockup[data-active-platform="telegram"] .chat-bubble strong {
    font-weight: 700;
}

/* Status text "en línea" */
.iphone-mockup[data-active-platform="whatsapp"] .whatsapp-status {
    font-size: 13px;
    opacity: 0.8;
    font-weight: 400;
}

.iphone-mockup[data-active-platform="telegram"] .whatsapp-status {
    font-size: 13px;
    opacity: 0.75;
    font-weight: 400;
}
