/* Base Styles */
:root {
    --primary-color: #4A5568;
    --accent-color: #805AD5;
    --light-color: #F7FAFC;
    --dark-color: #1A202C;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Roboto', sans-serif;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
    position: relative;
    margin-bottom: 2rem;
    text-align: center;
}

h2::after {
    content: "";
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

section {
    padding: 5rem 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
}

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

.primary:hover {
    background-color: #6B46C1;
    transform: translateY(-2px);
}

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

.secondary:hover {
    background-color: rgba(128, 90, 213, 0.1);
    transform: translateY(-2px);
}

/* Header & Navigation */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(26, 32, 44, 0.95) 0%, rgba(74, 85, 104, 0.9) 100%);
    background-size: cover;
    background-position: center;
    color: white;
    display: flex;
    flex-direction: column;
    position: relative;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    position: relative;
    transition: var(--transition);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex: 1;
}

.hero-content h1 {
    margin-bottom: 1rem;
    font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.app-preview {
    margin-top: 2rem;
    max-width: 300px;
}

.phone-mockup {
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 280px;
    height: 560px;
    background-color: #2D3748;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border: 8px solid #1A202C;
}

.mockup-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #4A5568 0%, #2D3748 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.mockup-content {
    text-align: center;
    color: white;
}

.mockup-content h3 {
    margin-bottom: 15px;
    font-size: 20px;
}

.mockup-content p {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 10px;
}

.quote-author {
    font-style: italic;
    opacity: 0.8;
}

/* Features Section */
.features {
    background-color: white;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: #F7FAFC;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* About Section */
.about {
    background-color: #EDF2F7;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .about {
        grid-template-columns: 2fr 1fr;
    }
}

.about-content h2 {
    text-align: left;
}

.about-content h2::after {
    left: 0;
    transform: none;
}

.quote-highlight {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

blockquote {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    line-height: 1.4;
    position: relative;
    padding: 0 2rem;
}

blockquote::before,
blockquote::after {
    content: '"';
    font-size: 4rem;
    position: absolute;
    opacity: 0.3;
}

blockquote::before {
    top: -20px;
    left: 0;
}

blockquote::after {
    bottom: -40px;
    right: 0;
}

cite {
    display: block;
    margin-top: 1rem;
    font-size: 1rem;
    font-style: normal;
    text-align: right;
}

/* Download Section */
.download {
    text-align: center;
    background-color: white;
}

.app-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.store-button {
    background-color: #1A202C;
    border-radius: var(--border-radius);
    padding: 10px 20px;
    color: white;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    transition: var(--transition);
}

.store-button:hover {
    transform: scale(1.05);
    background-color: #2D3748;
}

.button-text {
    padding: 8px 12px;
}

.app-store:before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: white;
    mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 384 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M318.7 268.7c-.2-36.7 16.4-64.4 50-84.8-18.8-26.9-47.2-41.7-84.7-44.6-35.5-2.8-74.3 20.7-88.5 20.7-15 0-49.4-19.7-76.4-19.7C63.3 141.2 4 184.8 4 273.5q0 39.3 14.4 81.2c12.8 36.7 59 126.7 107.2 125.2 25.2-.6 43-17.9 75.8-17.9 31.8 0 48.3 17.9 76.4 17.9 48.6-.7 90.4-82.5 102.6-119.3-65.2-30.7-61.7-90-61.7-91.9zm-56.6-164.2c27.3-32.4 24.8-61.9 24-72.5-24.1 1.4-52 16.4-67.9 34.9-17.5 19.8-27.8 44.3-25.6 71.9 26.1 2 49.9-11.4 69.5-34.3z'/%3E%3C/svg%3E") no-repeat center;
    margin-right: 8px;
}

.google-play:before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: white;
    mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M325.3 234.3L104.6 13l280.8 161.2-60.1 60.1zM47 0C34 6.8 25.3 19.2 25.3 35.3v441.3c0 16.1 8.7 28.5 21.7 35.3l256.6-256L47 0zm425.2 225.6l-58.9-34.1-65.7 64.5 65.7 64.5 60.1-34.1c18-14.3 18-46.5-1.2-60.8zM104.6 499l280.8-161.2-60.1-60.1L104.6 499z'/%3E%3C/svg%3E") no-repeat center;
    margin-right: 8px;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 3rem 2rem 1.5rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

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

.footer-links ul li a {
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--accent-color);
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.social-links svg {
    fill: white;
    width: 20px;
    height: 20px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul li {
        margin-left: 1rem;
        margin-right: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .hero-content {
        padding-top: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}