@import url(https://fonts.googleapis.com/css?family=Roboto:300,400,500,700);

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

.landing {
    background: #0290C322;
    color: #000000;
    font-family: "Roboto", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.landing__page {
    max-width: 56rem;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 1.5rem;
}

/* Hero */
.landing__hero {
    text-align: center;
    padding-bottom: 1.5rem;
}

.landing__brand {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 1rem 2rem;
}

.landing__logo {
    width: 5.5rem;
    height: 5.5rem;
}

.landing__tagline {
    list-style: none;
    margin: 0;
    padding: 0;
    text-align: left;
    font-size: 1.2rem;
    font-weight: 400;
}

.landing__tagline li {
    line-height: 1.5;
}

.landing__tagline li::before {
    content: "\2713"; /* checkmark */
    margin-right: 0.5rem;
}

.landing__headline {
    margin: 1.75rem 0 0.75rem;
    font-size: 2rem;
    font-weight: 500;
}

.landing__intro {
    margin: 0 auto;
    max-width: 42rem;
    font-size: 1.15rem;
    line-height: 1.6;
    opacity: 0.95;
}

/* Rotating quotes */
.landing__quotes {
    margin: 0.5rem auto 1.5rem;
    max-width: 42rem;
    min-height: 8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.landing__quote {
    margin: 0;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.landing__quote.is-visible {
    opacity: 1;
}

.landing__quote-text {
    margin: 0 0 0.5rem;
    font-size: 1.3rem;
    font-style: italic;
    line-height: 1.5;
    white-space: pre-line;
}

.landing__quote-author {
    font-weight: 500;
    opacity: 0.9;
}

/* Feature cards */
.landing__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 1rem;
    margin: 2rem 0;
    color: white;
}

.landing__feature {
    background: #0290C3;
    border-radius: 0.5rem;
    padding: 1.25rem 1.25rem 1.5rem;
}

.landing__feature-title {
    margin: 0 0 0.5rem;
    font-size: 1.2rem;
    font-weight: 500;
}

.landing__feature-body {
    margin: 0;
    line-height: 1.55;
    opacity: 0.95;
}

/* About page content */
.about__content {
    margin: 1rem 0 2rem;
}

.about__section {
    background: #0290C3;
    color: white;
    border-radius: 0.5rem;
    padding: 1.5rem 1.5rem 1.75rem;
    margin-bottom: 1rem;
}

.about__heading {
    margin: 0 0 0.75rem;
    font-size: 1.4rem;
    font-weight: 500;
}

.about__body {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.65;
    opacity: 0.97;
}

.about__body + .about__body {
    margin-top: 0.75rem;
}

.about__list {
    margin: 0.75rem 0 0;
    padding-left: 1.4rem;
    font-size: 1.1rem;
    line-height: 1.65;
    opacity: 0.97;
}

.about__list li {
    margin-bottom: 0.4rem;
}

.about__link {
    color: inherit;
    text-decoration: underline;
}

.about__meta {
    margin: 0.75rem 0 0;
    font-size: 0.95rem;
    opacity: 0.85;
}

/* Highlighted promise callout */
.about__callout {
    background: #ffffff;
    color: #1a1a1a;
    border-radius: 0.5rem;
    padding: 1.5rem 1.75rem;
    margin: 0 0 1.5rem;
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
}

.about__callout-heading {
    margin: 0 0 0.6rem;
    font-size: 1.3rem;
    font-weight: 500;
    color: #0290C3;
}

.about__callout-body {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.6;
}

/* Section emphasis for the encryption recommendation */
.about__section--accent {
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

/* Actions */
.landing__actions {
    background: #ffffff;
    color: #1a1a1a;
    border-radius: 0.5rem;
    padding: 1.75rem 1.5rem;
    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);
    text-align: center;
}

.landing__actions-heading {
    margin: 0 0 1.25rem;
    font-size: 1.4rem;
    font-weight: 500;
}

.landing__action {
    margin: 0 auto 1.25rem;
    max-width: 26rem;
}

.landing__action:last-child {
    margin-bottom: 0;
}

.landing__btn {
    display: inline-block;
    width: 100%;
    padding: 0.85rem 1.25rem;
    border-radius: 0.35rem;
    font-size: 1.05rem;
    font-weight: 500;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: opacity 0.2s ease, background 0.2s ease;
}

.landing__btn:hover {
    opacity: 0.9;
}

.landing__btn--primary {
    background: #0290C3;
    color: #ffffff;
}

.landing__btn--secondary {
    background: #ffffff;
    color: #0290C3;
    border: 2px solid #0290C3;
}

.landing__action-hint {
    margin: 0.5rem 0 0;
    font-size: 0.85rem;
    color: #4d4d4d;
}

/* Footer */
.landing__footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #ffffff;
}

.landing__footer > p {
    font-size: 0.75rem;
    opacity: 0.9;
}

.landing__footer-link {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: underline;
    opacity: 1;
}

.landing__footer-link:hover {
    opacity: 0.85;
}

/* Language selector */
.lang-selector {
    display: flex;
    gap: 0.4rem;
    align-items: center;
    justify-content: center;
    margin-top: 0.75rem;
    font-size: 0.9rem;
}

.lang-selector__icon {
    opacity: 0.85;
}

/* Solid light control so both the closed value and the native popup stay
   readable on the blue page background (some browsers paint the closed
   select's text with the option color, not the select color). */
.lang-selector__select {
    color: #1a1a1a;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 0.3rem;
    padding: 0.3rem 0.5rem;
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
}

.lang-selector__select option {
    color: #1a1a1a;
}

.lang-selector__go {
    color: #1a1a1a;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 0.3rem;
    padding: 0.3rem 0.6rem;
    font: inherit;
    cursor: pointer;
}

/* Visually hidden, still available to screen readers. */
.lang-selector__sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 480px) {
    .landing__page {
        padding: 1.5rem 1rem 1rem;
    }

    .landing__headline {
        font-size: 1.6rem;
    }

    .landing__logo {
        width: 4.5rem;
        height: 4.5rem;
    }
}
