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

:root {
    --primary-color: #2B3A8F;
    --secondary-color: #FF6B4A;
    --text-dark: #1F2937;
    --text-light: #6B7280;
    --bg-light: #F5F5F7;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links .btn-download {
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 500;
}

.nav-links .btn-download:hover {
    background: #FF5533;
    color: var(--white);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 101;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu Overlay */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* Hero Section */
.hero {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 6rem 0;
    position: relative;
    overflow: hidden;
}

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

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

.hero-content h2 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

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

.hero-phone img {
    max-width: 175px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.store-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.store-badges img {
    height: 50px;
    width: auto;
    transition: transform 0.3s;
    cursor: pointer;
}

.store-badges img:hover {
    transform: scale(1.05);
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: var(--bg-light);
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.step-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.step-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 5rem 0;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.about p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 1.5rem;
    line-height: 1.8;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background: var(--bg-light);
}

.faq h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
    font-weight: 700;
    text-align: center;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-answer.hidden {
    display: none;
}

/* Download Section */
.download {
    padding: 5rem 0;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 700;
}

.download p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-buttons img {
    height: 55px;
    width: auto;
    transition: transform 0.3s;
    cursor: pointer;
}

.download-buttons img:hover {
    transform: scale(1.05);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
}

.contact > .container > p {
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #E5E7EB;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.contact-form button {
    cursor: pointer;
    border: none;
    font-size: 1rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.3s;
}

.contact-form button:hover {
    background: #FF5533;
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

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

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Mobile Navigation */
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 70%;
        max-width: 300px;
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 2rem;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 100;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        font-size: 1.1rem;
        padding: 0.5rem 0;
    }

    .nav-links .btn-download {
        text-align: center;
        display: block;
        width: 100%;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-phone img {
        max-width: 140px;
    }

    .store-badges {
        justify-content: center;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .how-it-works h2,
    .about h2,
    .download h2,
    .contact h2,
    .faq h2 {
        font-size: 2rem;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }
}