:root {
    --bilobe-color: #0dc3a1;
    --bilobe-color-light: #0fd1ae;
    --primary-color: #6200EE;
    --secondary-color: #03DAC6;
    --text-color: #333333;
    --card-color: #FFFFFF;
    --section-1-color: #E1F5FE;
    --section-2-color: #F3E5F5;
    --section-3-color: #E8F5E9;
    --section-4-color: #FFF3E0;
    --section-5-color: #FFF8E1;
    --img-path: 
}

body,
html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    color: var(--text-color);
    scroll-behavior: smooth;
    box-sizing: border-box;
}

h1 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto 2rem;
}

#hero {
    background-color: var(--section-1-color);
}

#features {
    background-color: var(--section-2-color);
}

#about {
    background-color: var(--section-3-color);
}

#partners {
    background-color: var(--section-4-color);
}

#contact {
    background-color: var(--section-5-color);
}

.logo {
    display: inline-block;
    padding-right: 20px;
}

.logo-img {
    height: 80px;
    width: auto;
    vertical-align: middle;
    filter: brightness(1.1)
}

.hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

.btn {
    background-color: var(--bilobe-color);
    color: white;
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 100px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    background-color: var(--bilobe-color-light);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn .material-symbols-outlined {
    margin-right: 0.5rem;
}

.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    box-sizing: border-box;
}

.section::before {
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 1;
    text-align: center;
}

/* DESKTOP-SPECIFIC */
@media (min-width: 768px) {
    .section {
        min-height: 100vh;
        background-size: cover;
        background-attachment: fixed; /* Creates the parallax effect */
        background-position: 50% 0;
        background-blend-mode: overlay;
        transition: background-position 0.3s ease-out;
    }

    #hero {
        background-image: url('images/backgrounds/desktop/minimal_i_0.png');
    }

    #about {
        background-image: url('images/backgrounds/desktop/minimal_i_3.png');
    }

    #features {
        background-image: url('images/backgrounds/desktop/minimal_i_1.png');
    }

    #partners {
        background-image: url('images/backgrounds/desktop/minimal_i_2.png');
    }

    #contact {
        background-image: url('images/backgrounds/desktop/minimal_i_3.png');
    }
}

/* MOBILE-SPECIFIC */

@media (max-width: 767px) {
    .section {
        background-attachment: fixed; /* set scroll for normal scroll background for mobile */
        background-position: right center;
        background-blend-mode: overlay;
        background-size: auto 100%;
        min-height: 100%;
    }

    #hero {
        background-image: url('images/backgrounds/mobile/minimal_i_0.png');
    }

    #about {
        background-image: url('images/backgrounds/mobile/minimal_i_3.png');
    }

    #features {
        background-image: url('images/backgrounds/mobile/minimal_i_1.png');
    }

    #partners {
        background-image: url('images/backgrounds/mobile/minimal_i_2.png');
    }

    #contact {
        background-image: url('images/backgrounds/mobile/minimal_i_3.png');
    }

    /* IOS SPECIFIC */
    @supports (-webkit-overflow-scrolling: touch) {
        .section {
            background-attachment: scroll; /* iOS doesn't handle fixed backgrounds well */
        }

        #hero {
            background-image: url('images/backgrounds/ios/minimal_i_0.png');
        }
    
        #about {
            background-image: url('images/backgrounds/ios/minimal_i_3.png');
        }
    
        #features {
            background-image: url('images/backgrounds/ios/minimal_i_1.png');
        }
    
        #partners {
            background-image: url('images/backgrounds/ios/minimal_i_2.png');
        }
    
        #contact {
            background-image: url('images/backgrounds/ios/minimal_i_3_1.png');
        }
    }

}

#hero {
    text-align: center;
    padding: 120px 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-blend-mode: overlay;
}

#hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.word-container {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.5s, transform 0.5s;
    margin-right: 0.5rem;
}

.word-container.active {
    opacity: 1;
    transform: translateY(0);
}

/* ---- NAVBAR ---- */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar ul {
    display: flex;
    justify-content: flex-end;
    list-style-type: none;
    margin: 0;
    padding: 1rem;
}

.navbar li {
    margin-left: 2rem;
}

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

.navbar a:hover {
    color: var(--bilobe-color);
}

/* --- HERO --- */

#hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s 1.5s, transform 0.5s 1.5s;
}

#hero-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background-color: var(--bilobe-color);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.3s;
    opacity: 0;
    transform: translateY(20px);
    transition: background-color 0.3s, transform 0.3s, opacity 0.5s 2s;
}

#hero-btn:hover {
    background-color: var(--bilobe-color-light);
    transform: scale(1.05);
}

/* ---- FEATURES ---- */

.material-symbols-outlined {
    vertical-align: middle;
    margin-right: 5px;
}

.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.feature-card {
    background-color: var(--card-color);
    border-radius: 16px;
    padding: 2rem;
    margin: 1rem;
    width: calc(33.333% - 2rem);
    box-sizing: border-box;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    font-size: 3rem;
    color: var(--bilobe-color);
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .feature-card {
        width: calc(50% - 2rem);
    }
}

@media (max-width: 480px) {
    .feature-card {
        width: 100%;
    }
}

/* ---- PARTNERS ---- */

.partners-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.partner-logo {
    width: 150px;
    background-color: #fff;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partner-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.partner-logo p {
    font-size: small;
}

.partner-logo img {
    width: 90%;
    height: 40%;
    padding: 10px;
    object-fit: contain;
}

/* ---- CONTACT ---- */

.founders-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.founder-card {
    text-align: center;
    margin: 1rem;
}

.founder-img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
}

.founder-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.founder-card p {
    font-size: 1.1rem;
    color: #666;
}

.founder-description {
    font-size: 1rem;
    color: #333;
    line-height: 1.6;
    text-align: center;
    max-width: 250px;
    opacity: 0.85;
}

.founder-img:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    font-size: 1.1rem;
    color: #0077B5;
    text-decoration: none;
    margin-top: 1rem;
}

.linkedin-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.5rem;
}

.linkedin-link:hover {
    color: #005582;
}

/* ---- FOOTER ---- */

.footer {
    background-color: var(--bilobe-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    box-sizing: border-box;
}

.footer p {
    margin: 0;
    font-size: 1rem;
}