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

body {
    font-family: "Inter", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fffe;
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(33, 158, 188, 0.1);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #219ebc;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-link:hover {
    color: #219ebc;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #219ebc;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fffe 0%, #e8f7fa 100%);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #333;
}

.highlight {
    color: #219ebc;
    position: relative;
}

.highlight::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #ffb703;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-secondary {
    background: white;
    color: #219ebc;
    border: 2px solid #8ecae6;
}

.btn-secondary:hover {
    background: #219ebc;
    color: white;
    border-color: #219ebc;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    margin: 0 auto;
    max-width: 300px;
}

.phone-frame {
    background: #333;
    border-radius: 30px;
    padding: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    background: white;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
}

.app-content {
    position: relative;
    height: 600px;
    overflow: hidden;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

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

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #219ebc;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(33, 158, 188, 0.1);
    border-left: 4px solid #8ecae6;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(33, 158, 188, 0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #219ebc;
    margin-bottom: 1rem;
}

.feature-description {
    color: #666;
    line-height: 1.6;
}

/* Contribute Section */
.contribute {
    padding: 80px 0;
    background: #f8fffe;
}

.contribute-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contribute-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contribute-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #219ebc;
    margin-bottom: 1rem;
}

.contribute-subtitle {
    font-size: 1.25rem;
    color: #666;
}

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

.info-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(33, 158, 188, 0.1);
    border-left: 4px solid #8ecae6;
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 1.5rem;
    margin-right: 12px;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #219ebc;
}

.card-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #ffb703;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
    margin-top: 2px;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.step-description {
    color: #666;
    line-height: 1.5;
}

.benefits-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(255, 183, 3, 0.1);
    border-left: 4px solid #ffb703;
}

.benefits-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #219ebc;
    text-align: center;
    margin-bottom: 1.5rem;
}

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

.benefit {
    display: flex;
    align-items: center;
    gap: 12px;
}

.benefit-icon {
    font-size: 1.25rem;
    width: 28px;
    flex-shrink: 0;
}

.benefit-text {
    color: #555;
    line-height: 1.5;
}

.contribute-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Privacy Section */
.privacy {
    padding: 80px 0;
    background: white;
}

.privacy-header {
    text-align: center;
    margin-bottom: 3rem;
}

.privacy-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.privacy-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #219ebc;
    margin-bottom: 1rem;
}

.privacy-subtitle {
    font-size: 1.25rem;
    color: #666;
}

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

.privacy-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px rgba(33, 158, 188, 0.1);
    border-left: 4px solid #8ecae6;
}

.privacy-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.privacy-point {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.point-icon {
    font-size: 1.5rem;
    width: 32px;
    flex-shrink: 0;
    margin-top: 2px;
}

.point-content {
    flex: 1;
}

.point-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.5rem;
}

.point-description {
    color: #666;
    line-height: 1.6;
}

.privacy-summary {
    margin-top: 1rem;
}

.privacy-list {
    list-style: none;
    padding: 0;
}

.privacy-list li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.privacy-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #219ebc;
    font-weight: bold;
}

.privacy-contact {
    background: #f8fffe;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    border-left: 4px solid #ffb703;
}

.contact-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #219ebc;
    margin-bottom: 1rem;
}

.contact-description {
    color: #666;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #219ebc, #8ecae6);
    color: white;
    text-align: center;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.download-btn {
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.store-btn {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
    min-width: 180px;
}

.store-icon {
    font-size: 2rem;
}

.store-text {
    text-align: left;
}

.store-small {
    font-size: 0.8rem;
    opacity: 0.8;
}

.store-big {
    font-size: 1.1rem;
    font-weight: 600;
}

.download-info {
    margin-top: 2rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-credits a {
    color: #8ecae6;
    text-decoration: none;
}

.footer-credits a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .phone-mockup {
        max-width: 250px;
    }

    .section-title {
        font-size: 2rem;
    }

    .contribute-title,
    .privacy-title {
        font-size: 2rem;
    }

    .download-title {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .steps-container {
        gap: 1rem;
    }

    .step {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .step-number {
        align-self: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .privacy-points {
        gap: 1rem;
    }

    .privacy-point {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .point-icon {
        align-self: center;
    }
}
/* Contact/Support Section */
.contact {
    padding: 80px 0;
    background: #f8fffe;
}

.contact-header {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #219ebc;
    margin-bottom: 1rem;
}

.contact-description {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.contact-form {
    max-width: 500px;
    margin: 0 auto 2rem auto;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(33, 158, 188, 0.08);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-form label {
    font-weight: 500;
    color: #219ebc;
}

.contact-form input,
.contact-form textarea {
    padding: 0.75rem 1rem;
    border: 1px solid #8ecae6;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #219ebc;
}

.contact-info {
    text-align: center;
    color: #666;
    font-size: 1rem;
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
    }

    .contribute-buttons {
        gap: 8px;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}