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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.nav-brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #000000;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #000000;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: #000000;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-primary {
    background: #000000;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
}

.btn-primary:hover {
    background: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #000000;
    border: 2px solid #000000;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: #000000;
    color: white;
    transform: translateY(-2px);
}

/* Email Collection Styles */
.email-collection {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
}

.email-form {
    max-width: 500px;
    width: 100%;
}

.email-input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    align-items: center;
    transition: transform 0.3s ease;
}

.email-input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    background: #ffffff;
    color: #111827;
    transition: all 0.3s ease;
    font-family: inherit;
    outline: none;
}

.email-input:focus {
    border-color: #000000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.email-input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.btn-submit {
    background: #000000;
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    font-family: inherit;
    white-space: nowrap;
}

.btn-submit:hover {
    background: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.email-description {
    color: #6b7280;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
    text-align: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* iPhone 16 Mockup */
.iphone-mockup {
    width: 320px;
    height: 680px;
    background: linear-gradient(145deg, #2c2c2e, #1c1c1e);
    border-radius: 55px;
    position: relative;
    padding: 8px;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.25),
        0 15px 35px rgba(0, 0, 0, 0.15),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Dynamic Island */
.dynamic-island {
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 32px;
    background: #000000;
    border-radius: 20px;
    z-index: 10;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Phone Screen */
.phone-screen {
    width: 100%;
    height: 100%;
    background: #000000;
    border-radius: 47px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.screen-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 47px;
}

/* Side Buttons */
.side-buttons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.volume-buttons {
    position: absolute;
    left: -3px;
    top: 120px;
}

.volume-up, .volume-down {
    width: 3px;
    height: 30px;
    background: linear-gradient(90deg, #8e8e93, #636366);
    border-radius: 0 2px 2px 0;
    margin-bottom: 8px;
    box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3);
}

.volume-down {
    height: 35px;
}

.power-button {
    position: absolute;
    right: -3px;
    top: 140px;
    width: 3px;
    height: 60px;
    background: linear-gradient(90deg, #636366, #8e8e93);
    border-radius: 2px 0 0 2px;
    box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.3);
}

/* Enhanced shadow and lighting effects */
.iphone-mockup::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    bottom: -1px;
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.1) 0%, 
        rgba(255, 255, 255, 0.05) 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    border-radius: 56px;
    z-index: -1;
}

.iphone-mockup::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 53px;
    z-index: -1;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

/* Features Section */
.features {
    background: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #f9fafb, #f3f4f6);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    border: 1px solid #e5e7eb;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
}

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

.step {
    text-align: center;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #000000, #374151);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 1rem;
}

.step p {
    color: #6b7280;
    line-height: 1.6;
}

/* About Section */
.about {
    background: #ffffff;
}

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

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.about-text p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

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

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #6b7280;
    font-weight: 500;
}

.feature-highlight {
    background: #f9fafb;
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    border-left: 4px solid #000000;
}

.feature-highlight h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.5rem;
}

.feature-highlight p {
    color: #6b7280;
    line-height: 1.5;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, #000000, #374151);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta .btn-primary {
    background: white;
    color: #000000;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

/* CTA Section Email Collection Styles */
.cta .email-collection {
    margin: 2rem auto;
}

.cta .email-description {
    color: rgba(255, 255, 255, 0.8);
}

.cta .email-input {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(255, 255, 255, 0.3);
}

.cta .email-input:focus {
    border-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.cta .email-input::placeholder {
    color: #6b7280;
}

.cta .btn-submit {
    background: #ffffff;
    color: #000000;
}

.cta .btn-submit:hover {
    background: #f3f4f6;
    color: #000000;
}

/* Footer */
.footer {
    background: #111827;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-brand p {
    color: #9ca3af;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.link-group h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.link-group a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.link-group a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

.footer-bottom p:first-child {
    margin-bottom: 0.5rem;
}

.footer-bottom p:last-child {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .email-input-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .email-input {
        width: 100%;
    }
    
    .btn-submit {
        width: 100%;
    }
    
    .email-description {
        text-align: center;
    }
    
    .iphone-mockup {
        width: 260px;
        height: 550px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .iphone-mockup {
        width: 220px;
        height: 470px;
    }
    
    .dynamic-island {
        width: 90px;
        height: 24px;
        top: 12px;
    }
    
    .volume-buttons {
        top: 90px;
    }
    
    .power-button {
        top: 110px;
        height: 45px;
    }
} 

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