/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    overscroll-behavior: none;
    /* Add bottom padding for home indicator on iOS devices */
    padding-bottom: env(safe-area-inset-bottom);
}

/* Add scroll padding to account for fixed navbar */
section {
    scroll-margin-top: 80px;
}

@media (max-width: 768px) {
    section {
        /* Account for navbar height + safe area on devices with notch/Dynamic Island */
        scroll-margin-top: calc(70px + env(safe-area-inset-top));
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    /* Support for iPhone notch and Dynamic Island */
    padding-top: max(1rem, env(safe-area-inset-top));
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* Safe area insets for left/right edges */
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
}

.nav-logo i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #6366f1;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: #ffffff;
    color: #1e293b;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    touch-action: none;
}

@media (max-width: 768px) {
    .hero {
        touch-action: pan-y;
        min-height: 100vh;
        /* Slightly increased padding for better mobile spacing */
        padding: 110px 20px 60px;
        /* Account for navbar and safe area on devices with notch/Dynamic Island */
        padding-top: calc(110px + env(safe-area-inset-top));
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gradient-text {
    color: #6366f1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: #64748b;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.feature-badge {
    background: #f8fafc;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-button {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.cta-button.primary {
    background: #6366f1;
    color: white;
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
    background: #4f46e5;
}

.cta-button.secondary {
    background: transparent;
    color: #64748b;
    border: 2px solid #e2e8f0;
}

.cta-button.secondary:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

/* iPhone 16 Mockup */
.phone-mockup {
    position: relative;
    width: 295px;
    height: 580px;
    background: linear-gradient(145deg, #2c2c2e, #1c1c1e);
    border-radius: 50px;
    padding: 8px;
    margin: 0 auto;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 2px solid #3a3a3c;
    transform: translateY(0);
    transition: transform 0.1s ease-out;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #000;
    border-radius: 42px;
    overflow: hidden;
    position: relative;
    touch-action: pan-y;
    -webkit-overflow-scrolling: touch;
}

/* Status Bar */
.phone-screen::before {
    content: '2:16';
    position: absolute;
    top: 12px;
    left: 20px;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 10;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Status Bar Icons */
.phone-screen::after {
    content: '🔋';
    position: absolute;
    top: 12px;
    right: 20px;
    color: #ffffff;
    font-size: 0.7rem;
    z-index: 10;
    letter-spacing: 2px;
}

.whatsapp-chat {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #075e54;
    position: relative;
}

.chat-header {
    background: #075e54;
    color: white;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    border-bottom: 1px solid #0a4d44;
    margin-top: 35px; /* Space for status bar */
}

.chat-header i {
    font-size: 1.4rem;
    color: #25d366;
}

.chat-header span {
    font-size: 0.95rem;
    color: #ffffff;
}

.chat-messages {
    flex: 1;
    padding: 1rem;
    padding-bottom: 60rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    overflow: hidden;
    background: #ece5dd;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 177, 153, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
    transform: translateY(0);
    transition: transform 0.1s ease-out;
    min-height: 300%;
    text-align: left;
}

.message {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: 18px;
    font-size: 0.85rem;
    line-height: 1.4;
    position: relative;
    text-align: left;
}

.message.bot {
    background: #ffffff;
    color: #303030;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message.user {
    background: #dcf8c6;
    color: #303030;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.message p {
    text-align: left;
    margin: 0.25rem 0;
}

.click-rate {
    background: linear-gradient(135deg, #ff6b6b, #ff5252);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 700;
    margin-top: 0.5rem;
    display: inline-block;
    box-shadow: 0 2px 4px rgba(255, 107, 107, 0.3);
    letter-spacing: 0.5px;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.section-header p {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: white;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.step-content p {
    color: #64748b;
    line-height: 1.6;
}

/* Waitlist Section */
.waitlist {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
}

.waitlist-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.waitlist-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.waitlist-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.waitlist-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

.benefit i {
    color: #10b981;
    font-size: 1.2rem;
}

.waitlist-form-container {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.waitlist-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.form-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group input:focus {
    outline: none;
    border-color: #6366f1;
}

.form-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
}

.form-group.phone-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.form-group.phone-group .country-code-select {
    width: 110px;
    padding: 1rem 0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.3s ease;
    flex-shrink: 0;
}

.form-group.phone-group .country-code-select:focus {
    outline: none;
    border-color: #6366f1;
}

.form-group.phone-group .country-code-select option {
    background: #1e293b;
    color: white;
}

.form-group.phone-group input {
    flex: 1;
    padding-left: 3rem;
}

.form-group.phone-group i {
    left: auto;
    right: 1rem;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    position: relative;
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.button-text,
.button-loading {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.button-loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 0;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: 2rem 2rem 1rem;
    text-align: center;
}

.success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 1rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
}

.modal-body {
    padding: 0 2rem 1rem;
    text-align: center;
    color: #64748b;
    line-height: 1.6;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.modal-button {
    background: linear-gradient(45deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .waitlist-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 255px;
        height: 500px;
        /* Add subtle hint that phone is scrollable */
        position: relative;
        margin-bottom: 40px;
    }
    
    /* Add scrollable indicator for mobile */
    .phone-mockup::after {
        content: '↕️ Scroll';
        position: absolute;
        bottom: -30px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 0.75rem;
        color: #64748b;
        opacity: 0.7;
        pointer-events: none;
        animation: fadeInOut 3s ease-in-out infinite;
    }
}

/* Animation for mobile scroll hint */
@keyframes fadeInOut {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

@media (max-width: 480px) {
    .hero {
        /* Slightly increased padding for better mobile spacing on small screens */
        padding: 100px 15px 40px;
        /* Account for safe area on smaller devices */
        padding-top: calc(100px + env(safe-area-inset-top));
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .waitlist-text h2 {
        font-size: 2rem;
    }
}