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

:root {
    --dark-blue: #0A1628;
    --navy-blue: #1a2642;
    --orange: #FF6B35;
    --orange-hover: #FF8555;
    --light-text: #E8EAF0;
    --gray-text: #9BA4B5;
}

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

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

/* Navigation */
.navbar {
    background-color: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--dark-blue) 0%, var(--navy-blue) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.2;
}

.highlight {
    color: var(--orange);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-text);
    margin-bottom: 48px;
    line-height: 1.8;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-ios {
    background-color: var(--light-text);
    color: var(--dark-blue);
}

.btn-ios:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 234, 240, 0.3);
}

.btn-android {
    background-color: var(--orange);
    color: white;
}

.btn-android:hover {
    background-color: var(--orange-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-icon {
    width: 28px;
    height: 28px;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn-label {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
}

.btn-store {
    font-size: 18px;
    font-weight: 700;
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--dark-blue);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-text);
    font-size: 18px;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    gap: 60px;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background-color: var(--navy-blue);
    border-radius: 20px;
    padding: 40px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card:nth-child(even) {
    grid-template-columns: 1fr 1fr;
}

.feature-card:nth-child(even) .feature-image {
    order: 2;
}

.feature-card:nth-child(even) .feature-content {
    order: 1;
}

.feature-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-content h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--orange);
}

.feature-content p {
    color: var(--gray-text);
    font-size: 16px;
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--dark-blue) 0%, var(--navy-blue) 100%);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.step {
    text-align: center;
    padding: 40px 30px;
    background-color: rgba(26, 38, 66, 0.5);
    border-radius: 16px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.step:hover {
    border-color: var(--orange);
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.step p {
    color: var(--gray-text);
    font-size: 15px;
}

/* CTA Section */
.cta {
    padding: 100px 0;
    text-align: center;
    background-color: var(--dark-blue);
}

.cta h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.cta p {
    color: var(--gray-text);
    font-size: 18px;
    margin-bottom: 40px;
}

/* Footer */
.footer {
    background-color: var(--navy-blue);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(155, 164, 181, 0.2);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
}

.footer-logo img {
    width: 35px;
    height: 35px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--gray-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--orange);
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-text);
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--navy-blue);
    margin: 15% auto;
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.modal-content h2 {
    color: var(--orange);
    margin-bottom: 20px;
    font-size: 32px;
}

.modal-content p {
    color: var(--gray-text);
    font-size: 18px;
    line-height: 1.6;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    color: var(--gray-text);
    font-size: 35px;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--orange);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .navbar {
        padding: 15px 0;
    }

    .nav-content {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .logo {
        font-size: 22px;
        width: 100%;
        justify-content: center;
    }

    .logo img {
        width: 36px;
        height: 36px;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 24px;
        width: 100%;
        font-size: 17px;
    }

    .nav-links a {
        padding: 0;
        background-color: transparent;
        border: none;
        color: var(--light-text);
        transition: color 0.3s ease;
    }

    .nav-links a:hover {
        background-color: transparent;
        border: none;
        color: var(--orange);
    }

    .hero {
        padding: 160px 0 80px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .feature-card {
        grid-template-columns: 1fr !important;
        padding: 30px;
        gap: 30px;
    }

    .feature-card:nth-child(even) .feature-image {
        order: 1;
    }

    .feature-card:nth-child(even) .feature-content {
        order: 2;
    }

    .feature-content h3 {
        font-size: 24px;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .download-buttons {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 12px;
        flex-wrap: nowrap;
    }

    .btn {
        width: auto;
        max-width: none;
        justify-content: center;
        padding: 14px 24px;
        min-width: 160px;
        flex: 1;
        max-width: 200px;
    }

    .btn-text {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-label {
        font-size: 11px;
    }

    .btn-store {
        font-size: 16px;
    }

    .cta h2 {
        font-size: 32px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .navbar {
        padding: 12px 0;
    }

    .logo {
        font-size: 18px;
    }

    .logo img {
        width: 32px;
        height: 32px;
    }

    .nav-content {
        gap: 12px;
    }

    .nav-links {
        gap: 20px;
        font-size: 16px;
        justify-content: center;
    }

    .nav-links a {
        padding: 0;
        font-size: 16px;
    }

    .download-buttons {
        flex-direction: row;
        gap: 10px;
        flex-wrap: nowrap;
    }

    .btn {
        min-width: 140px;
        max-width: 180px;
        padding: 12px 20px;
        flex: 1;
    }

    .btn-label {
        font-size: 9px;
    }

    .btn-store {
        font-size: 14px;
    }

    .hero {
        padding: 140px 0 60px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 32px;
    }

    .section-title {
        font-size: 26px;
    }

    .feature-card {
        padding: 20px;
    }

    .btn {
        padding: 14px 20px;
        max-width: 100%;
    }

    .btn-icon {
        width: 24px;
        height: 24px;
    }

    .btn-text {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .btn-label {
        font-size: 10px;
    }

    .btn-store {
        font-size: 15px;
    }
}