/* ============================================================
   RESET & BASE STYLES
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
                 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: #F7F9FA;
    color: #2E3A44;
    line-height: 1.6;
    font-size: 16px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    color: #2E3A44;
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

p {
    color: #6B7780;
    margin-bottom: 1.5rem;
}

a {
    color: #1F8A8A;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #3FA6A6;
}

/* ============================================================
   LAYOUT CONTAINERS
   ============================================================ */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* ============================================================
   HEADER & LOGO SECTION
   ============================================================ */
header {
    background-color: #FFFFFF;
    border-bottom: 1px solid #E3E8EC;
    padding: 2rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    height: 50px;
    width: auto;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
    gap: 2rem;
}

.hero-logo-large {
    height: 120px;
    width: auto;
    margin-bottom: 1rem;
}

.coming-soon-badge {
    display: inline-block;
    background-color: #F0F4F4;
    color: #6B7780;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    border: 1px solid #E3E8EC;
}

.hero h1 {
    font-size: 3rem;
    color: #2E3A44;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 1.5rem;
    color: #1F8A8A;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #6B7780;
}

/* ============================================================
   EMAIL SIGNUP FORM
   ============================================================ */
.email-signup {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    width: 100%;
    max-width: 450px;
}

.email-form {
    display: flex;
    gap: 0.75rem;
    width: 100%;
}

.email-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 1px solid #E3E8EC;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    background-color: #FFFFFF;
    color: #2E3A44;
    transition: border-color 0.3s ease;
}

.email-form input::placeholder {
    color: #6B7780;
}

.email-form input:focus {
    outline: none;
    border-color: #1F8A8A;
    box-shadow: 0 0 0 3px rgba(31, 138, 138, 0.1);
}

.notify-button {
    padding: 0.875rem 2rem;
    background-color: #1F8A8A;
    color: #FFFFFF;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    white-space: nowrap;
}

.notify-button:hover {
    background-color: #3FA6A6;
}

.notify-button:active {
    background-color: #1F8A8A;
}

.signup-note {
    font-size: 0.875rem;
    color: #6B7780;
}

/* ============================================================
   FEATURES SECTION (OPTIONAL DETAILS)
   ============================================================ */
.features {
    background-color: #FFFFFF;
    border: 1px solid #E3E8EC;
    border-radius: 8px;
    padding: 3rem 2rem;
    margin: 4rem auto;
    max-width: 800px;
    text-align: center;
}

.features h2 {
    margin-bottom: 2rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: left;
}

.feature-item {
    padding: 1.5rem;
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.feature-icon {
    font-size: 2rem;
    color: #1F8A8A;
    flex-shrink: 0;
}

.feature-item h3 {
    color: #1F8A8A;
    font-size: 1.1rem;
    margin-bottom: 0;
}

.feature-item p {
    font-size: 0.95rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
    background-color: #FFFFFF;
    border-top: 1px solid #E3E8EC;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer-content {
    font-size: 0.875rem;
    color: #6B7780;
}

.footer-content a {
    color: #1F8A8A;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 768px) {
    .hero {
        padding: 2rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .email-form {
        flex-direction: column;
    }

    .notify-button {
        width: 100%;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .hero-logo-large {
        height: 80px;
    }

    .features {
        padding: 2rem 1.5rem;
    }

    .feature-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    header {
        padding: 1.5rem 0;
    }

    .logo {
        height: 40px;
    }

    .hero {
        padding: 1.5rem 1rem;
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .coming-soon-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }

    .email-form input,
    .notify-button {
        padding: 0.75rem 0.875rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    footer {
        padding: 1.5rem 1rem;
    }
}